156020645502 has 16 divisors (see below), whose sum is σ = 346712545680. Its totient is φ = 52006881816.

The previous prime is 156020645419. The next prime is 156020645503. The reversal of 156020645502 is 205546020651.

156020645502 is a `hidden beast` number, since 1 + 5 + 6 + 0 + 2 + 0 + 645 + 5 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156020645503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444635553 + ... + 1444635660.

It is an arithmetic number, because the mean of its divisors is an integer number (21669534105).

Almost surely, 2^156020645502 is an apocalyptic number.

156020645502 is an abundant number, since it is smaller than the sum of its proper divisors (190691900178).

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

156020645502 is a wasteful number, since it uses less digits than its factorization.

156020645502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889271224 (or 2889271218 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 156020645502 in words is "one hundred fifty-six billion, twenty million, six hundred forty-five thousand, five hundred two".