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144225305432 = 23131781575399
BaseRepresentation
bin1000011001010001111…
…1111000001101011000
3111210021022100122010222
42012110133320031120
54330333134233212
6150131200455212
713264015604015
oct2062437701530
9453238318128
10144225305432
11561904746aa
1223b5091a508
13107a608ac20
146da287070c
153b41b4dc72
hex21947f8358

144225305432 has 32 divisors (see below), whose sum is σ = 308355012000. Its totient is φ = 62649905664.

The previous prime is 144225305387. The next prime is 144225305459. The reversal of 144225305432 is 234503522441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144225305392 and 144225305401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40785932 + ... + 40789467.

It is an arithmetic number, because the mean of its divisors is an integer number (9636094125).

Almost surely, 2144225305432 is an apocalyptic number.

It is an amenable number.

144225305432 is an abundant number, since it is smaller than the sum of its proper divisors (164129706568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144225305432 is a wasteful number, since it uses less digits than its factorization.

144225305432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81575435 (or 81575431 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 144225305432 its reverse (234503522441), we get a palindrome (378728827873).

The spelling of 144225305432 in words is "one hundred forty-four billion, two hundred twenty-five million, three hundred five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 81575399 163150798 326301596 652603192 1060480187 1386781783 2120960374 2773563566 4241920748 5547127132 8483841496 11094254264 18028163179 36056326358 72112652716 144225305432