151475472 has 30 divisors (see below), whose sum is σ = 423921342. Its totient is φ = 50491776.

The previous prime is 151475459. The next prime is 151475473. The reversal of 151475472 is 274574151.

151475472 is a `hidden beast` number, since 1 + 514 + 75 + 4 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82519056 + 68956416 = 9084^2 + 8304^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (151475473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525813 + ... + 526100.

Almost surely, 2^151475472 is an apocalyptic number.

151475472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151475472 is an abundant number, since it is smaller than the sum of its proper divisors (272445870).

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

151475472 is a wasteful number, since it uses less digits than its factorization.

151475472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051927 (or 1051918 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 151475472 is about 12307.5372028688. The cubic root of 151475472 is about 533.0657400665.

The spelling of 151475472 in words is "one hundred fifty-one million, four hundred seventy-five thousand, four hundred seventy-two".