151387232 has 12 divisors (see below), whose sum is σ = 298043676. Its totient is φ = 75693600.

The previous prime is 151387213. The next prime is 151387241. The reversal of 151387232 is 232783151.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4730851 = 151387232 / (1 + 5 + 1 + 3 + 8 + 7 + 2 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2365394 + ... + 2365457.

It is an arithmetic number, because the mean of its divisors is an integer number (24836973).

Almost surely, 2^151387232 is an apocalyptic number.

It is an amenable number.

151387232 is a deficient number, since it is larger than the sum of its proper divisors (146656444).

151387232 is an equidigital number, since it uses as much as digits as its factorization.

151387232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730861 (or 4730853 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 151387232 is about 12303.9518854716. The cubic root of 151387232 is about 532.9622098668.

The spelling of 151387232 in words is "one hundred fifty-one million, three hundred eighty-seven thousand, two hundred thirty-two".