156855002229 has 20 divisors (see below), whose sum is σ = 248097456684. Its totient is φ = 98418824064.

The previous prime is 156855002221. The next prime is 156855002233. The reversal of 156855002229 is 922200558651.

156855002229 is a `hidden beast` number, since 1 + 56 + 8 + 550 + 0 + 22 + 29 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 96287331204 + 60567671025 = 310302^2 + 246105^2 .

It is not a de Polignac number, because 156855002229 - 2³ = 156855002221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156855002221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56953962 + ... + 56956715.

Almost surely, 2^156855002229 is an apocalyptic number.

It is an amenable number.

156855002229 is a deficient number, since it is larger than the sum of its proper divisors (91242454455).

156855002229 is a wasteful number, since it uses less digits than its factorization.

156855002229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113910706 (or 113910697 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 156855002229 in words is "one hundred fifty-six billion, eight hundred fifty-five million, two thousand, two hundred twenty-nine".