151439721472 has 44 divisors (see below), whose sum is σ = 326018623756. Its totient is φ = 69895249920.

The previous prime is 151439721439. The next prime is 151439721479. The reversal of 151439721472 is 274127934151.

It can be written as a sum of positive squares in 2 ways, for example, as 95713509376 + 55726212096 = 309376^2 + 236064^2 .

It is not an unprimeable number, because it can be changed into a prime (151439721479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5674779 + ... + 5701402.

Almost surely, 2^151439721472 is an apocalyptic number.

It is an amenable number.

151439721472 is an abundant number, since it is smaller than the sum of its proper divisors (174578902284).

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

151439721472 is a wasteful number, since it uses less digits than its factorization.

151439721472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376214 (or 11376196 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 151439721472 in words is "one hundred fifty-one billion, four hundred thirty-nine million, seven hundred twenty-one thousand, four hundred seventy-two".