83145153844 has 6 divisors (see below), whose sum is σ = 145504019234. Its totient is φ = 41572576920.

The previous prime is 83145153829. The next prime is 83145153857. The reversal of 83145153844 is 44835154138.

It can be written as a sum of positive squares in only one way, i.e., 80549251344 + 2595902500 = 283812^2 + 50950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83145153794 and 83145153803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10393144227 + ... + 10393144234.

Almost surely, 2^83145153844 is an apocalyptic number.

It is an amenable number.

83145153844 is a deficient number, since it is larger than the sum of its proper divisors (62358865390).

83145153844 is a wasteful number, since it uses less digits than its factorization.

83145153844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20786288465 (or 20786288463 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The spelling of 83145153844 in words is "eighty-three billion, one hundred forty-five million, one hundred fifty-three thousand, eight hundred forty-four".