156572 has 12 divisors (see below), whose sum is σ = 295176. Its totient is φ = 72240.

The previous prime is 156539. The next prime is 156577. The reversal of 156572 is 275651.

156572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156577) by changing a digit.

156572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (24598).

2¹⁵⁶⁵⁷² is an apocalyptic number.

It is an amenable number.

156572 is a deficient number, since it is larger than the sum of its proper divisors (138604).

156572 is a wasteful number, since it uses less digits than its factorization.

156572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3026 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 156572 is about 395.6917992580. The cubic root of 156572 is about 53.8978406892.

The spelling of 156572 in words is "one hundred fifty-six thousand, five hundred seventy-two".