156472556 has 24 divisors (see below), whose sum is σ = 297775296. Its totient is φ = 71642880.

The previous prime is 156472517. The next prime is 156472559. The reversal of 156472556 is 655274651.

156472556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (156472559) 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, 28580 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (12407304).

Almost surely, 2^156472556 is an apocalyptic number.

It is an amenable number.

156472556 is a deficient number, since it is larger than the sum of its proper divisors (141302740).

156472556 is a wasteful number, since it uses less digits than its factorization.

156472556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62249 (or 62247 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 156472556 is about 12508.8990722605. The cubic root of 156472556 is about 538.8642751188.

The spelling of 156472556 in words is "one hundred fifty-six million, four hundred seventy-two thousand, five hundred fifty-six".