151442372520 has 224 divisors, whose sum is σ = 522769658400. Its totient is φ = 39445128576.

The previous prime is 151442372489. The next prime is 151442372537. The reversal of 151442372520 is 25273244151.

151442372520 is a `hidden beast` number, since 1 + 5 + 1 + 44 + 23 + 72 + 520 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1193491 + ... + 1314269.

Almost surely, 2^151442372520 is an apocalyptic number.

151442372520 is a gapful number since it is divisible by the number (10) 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 151442372520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261384829200).

151442372520 is an abundant number, since it is smaller than the sum of its proper divisors (371327285880).

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

151442372520 is a wasteful number, since it uses less digits than its factorization.

151442372520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120851 (or 120832 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 151442372520 in words is "one hundred fifty-one billion, four hundred forty-two million, three hundred seventy-two thousand, five hundred twenty".