151521232 has 20 divisors (see below), whose sum is σ = 299820096. Its totient is φ = 74148320.

The previous prime is 151521203. The next prime is 151521233. The reversal of 151521232 is 232125151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151521233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99994 + ... + 101497.

Almost surely, 2^151521232 is an apocalyptic number.

It is an amenable number.

151521232 is a deficient number, since it is larger than the sum of its proper divisors (148298864).

151521232 is a wasteful number, since it uses less digits than its factorization.

151521232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201546 (or 201540 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 151521232 is about 12309.3960859175. The cubic root of 151521232 is about 533.1194135139.

Adding to 151521232 its reverse (232125151), we get a palindrome (383646383).

It can be divided in two parts, 15152 and 1232, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 151521232 in words is "one hundred fifty-one million, five hundred twenty-one thousand, two hundred thirty-two".