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145414263453 = 3194754279307
BaseRepresentation
bin1000011101101101011…
…1011001001010011101
3111220100011120221221020
42013123113121022131
54340302022412303
6150445152154353
713335333562644
oct2073327311235
9456304527836
10145414263453
1156740619438
1224222b389b9
13109354b7494
14707672835b
153bb1207a53
hex21db5d929d

145414263453 has 16 divisors (see below), whose sum is σ = 208432542720. Its totient is φ = 89886530736.

The previous prime is 145414263427. The next prime is 145414263461. The reversal of 145414263453 is 354362414541.

It is not a de Polignac number, because 145414263453 - 228 = 145145827997 is a prime.

It is a super-2 number, since 2×1454142634532 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145414263053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27136975 + ... + 27142332.

It is an arithmetic number, because the mean of its divisors is an integer number (13027033920).

Almost surely, 2145414263453 is an apocalyptic number.

It is an amenable number.

145414263453 is a deficient number, since it is larger than the sum of its proper divisors (63018279267).

145414263453 is a wasteful number, since it uses less digits than its factorization.

145414263453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54279376.

The product of its digits is 691200, while the sum is 42.

Adding to 145414263453 its reverse (354362414541), we get a palindrome (499776677994).

The spelling of 145414263453 in words is "one hundred forty-five billion, four hundred fourteen million, two hundred sixty-three thousand, four hundred fifty-three".

Divisors: 1 3 19 47 57 141 893 2679 54279307 162837921 1031306833 2551127429 3093920499 7653382287 48471421151 145414263453