151215732 has 36 divisors (see below), whose sum is σ = 390376896. Its totient is φ = 49332240.

The previous prime is 151215719. The next prime is 151215763. The reversal of 151215732 is 237512151.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 151215696 and 151215705.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 42994 + ... + 46377.

Almost surely, 2^151215732 is an apocalyptic number.

151215732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151215732 is an abundant number, since it is smaller than the sum of its proper divisors (239161164).

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

151215732 is a wasteful number, since it uses less digits than its factorization.

151215732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89428 (or 89423 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 151215732 is about 12296.9806050103. The cubic root of 151215732 is about 532.7608772642.

Adding to 151215732 its reverse (237512151), we get a palindrome (388727883).

The spelling of 151215732 in words is "one hundred fifty-one million, two hundred fifteen thousand, seven hundred thirty-two".