151572 has 24 divisors (see below), whose sum is σ = 374976. Its totient is φ = 47488.

The previous prime is 151561. The next prime is 151573. The reversal of 151572 is 275151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151573) by changing a digit.

151572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2¹⁵¹⁵⁷² is an apocalyptic number.

151572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151572 is an abundant number, since it is smaller than the sum of its proper divisors (223404).

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

151572 is a wasteful number, since it uses less digits than its factorization.

151572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 765 counting only the distinct ones).

The product of its digits is 350, while the sum is 21.

The square root of 151572 is about 389.3224884334. The cubic root of 151572 is about 53.3178948370.

The spelling of 151572 in words is "one hundred fifty-one thousand, five hundred seventy-two".