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144405020354445 = 32530710452770203
BaseRepresentation
bin100000110101010111101001…
…111100010010011110001101
3200221021222121011012001010200
4200311113221330102132031
5122411412440202320240
61231042430040524113
742262630010354124
oct4065275174223615
9627258534161120
10144405020354445
11420149093a4874
12142427b1180639
136276447c818a6
14279335146cabb
1511a648c9b7930
hex8355e9f1278d

144405020354445 has 24 divisors (see below), whose sum is σ = 251117351380896. Its totient is φ = 76765144363488.

The previous prime is 144405020354429. The next prime is 144405020354461. The reversal of 144405020354445 is 544453020504441.

144405020354445 is a `hidden beast` number, since 1 + 4 + 4 + 40 + 5 + 0 + 20 + 3 + 544 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (144405020354429) and next prime (144405020354461).

It is not a de Polignac number, because 144405020354445 - 24 = 144405020354429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144405020354445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5226371287 + ... + 5226398916.

It is an arithmetic number, because the mean of its divisors is an integer number (10463222974204).

Almost surely, 2144405020354445 is an apocalyptic number.

144405020354445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144405020354445 is a deficient number, since it is larger than the sum of its proper divisors (106712331026451).

144405020354445 is a wasteful number, since it uses less digits than its factorization.

144405020354445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452770521 (or 10452770518 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

Adding to 144405020354445 its reverse (544453020504441), we get a palindrome (688858040858886).

The spelling of 144405020354445 in words is "one hundred forty-four trillion, four hundred five billion, twenty million, three hundred fifty-four thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 307 921 1535 2763 4605 13815 10452770203 31358310609 52263851015 94074931827 156791553045 470374659135 3209000452321 9627001356963 16045002261605 28881004070889 48135006784815 144405020354445