152021232 has 80 divisors (see below), whose sum is σ = 476040960. Its totient is φ = 46065600.

The previous prime is 152021227. The next prime is 152021239. The reversal of 152021232 is 232120251.

It is a super-2 number, since 2×152021232² = 46220909957595648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152021239) 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 15 ways as a sum of consecutive naturals, for example, 11244 + ... + 20747.

It is an arithmetic number, because the mean of its divisors is an integer number (5950512).

Almost surely, 2^152021232 is an apocalyptic number.

152021232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

152021232 is an abundant number, since it is smaller than the sum of its proper divisors (324019728).

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

152021232 is a wasteful number, since it uses less digits than its factorization.

152021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32019 (or 32007 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 152021232 is about 12329.6890471739. The cubic root of 152021232 is about 533.7051774927.

Adding to 152021232 its reverse (232120251), we get a palindrome (384141483).

The spelling of 152021232 in words is "one hundred fifty-two million, twenty-one thousand, two hundred thirty-two".