151996572 has 216 divisors, whose sum is σ = 492395904. Its totient is φ = 38683008.

The previous prime is 151996547. The next prime is 151996601. The reversal of 151996572 is 275699151.

151996572 is a `hidden beast` number, since 1 + 519 + 9 + 65 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1831243 + ... + 1831325.

Almost surely, 2^151996572 is an apocalyptic number.

151996572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151996572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246197952).

151996572 is an abundant number, since it is smaller than the sum of its proper divisors (340399332).

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

151996572 is a wasteful number, since it uses less digits than its factorization.

151996572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 151 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 151996572 is about 12328.6889813962. The cubic root of 151996572 is about 533.6763177489.

The spelling of 151996572 in words is "one hundred fifty-one million, nine hundred ninety-six thousand, five hundred seventy-two".