156556052 has 12 divisors (see below), whose sum is σ = 274270836. Its totient is φ = 78192960.

The previous prime is 156556051. The next prime is 156556091. The reversal of 156556052 is 250655651.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 94556176 = 7874^2 + 9724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156556051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17033 + ... + 24560.

It is an arithmetic number, because the mean of its divisors is an integer number (22855903).

Almost surely, 2^156556052 is an apocalyptic number.

It is an amenable number.

156556052 is a deficient number, since it is larger than the sum of its proper divisors (117714784).

156556052 is a wasteful number, since it uses less digits than its factorization.

156556052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42538 (or 42536 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 156556052 is about 12512.2360911230. The cubic root of 156556052 is about 538.9601066436.

The spelling of 156556052 in words is "one hundred fifty-six million, five hundred fifty-six thousand, fifty-two".