151391952 has 30 divisors (see below), whose sum is σ = 423687602. Its totient is φ = 50463936.

The previous prime is 151391923. The next prime is 151391959. The reversal of 151391952 is 259193151.

151391952 is a `hidden beast` number, since 1 + 513 + 91 + 9 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88284816 + 63107136 = 9396^2 + 7944^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151391959) 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, 525523 + ... + 525810.

Almost surely, 2^151391952 is an apocalyptic number.

151391952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151391952 is an abundant number, since it is smaller than the sum of its proper divisors (272295650).

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

151391952 is a wasteful number, since it uses less digits than its factorization.

151391952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051347 (or 1051338 counting only the distinct ones).

The product of its digits is 12150, while the sum is 36.

The square root of 151391952 is about 12304.1436922689. The cubic root of 151391952 is about 532.9677487652.

The spelling of 151391952 in words is "one hundred fifty-one million, three hundred ninety-one thousand, nine hundred fifty-two".