151637720245420 has 48 divisors (see below), whose sum is σ = 318651845450400. Its totient is φ = 60614590569984.

The previous prime is 151637720245399. The next prime is 151637720245433. The reversal of 151637720245420 is 24542027736151.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668551072 + ... + 668777848.

It is an arithmetic number, because the mean of its divisors is an integer number (6638580113550).

Almost surely, 2^{151637720245420} is an apocalyptic number.

151637720245420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151637720245420 is an abundant number, since it is smaller than the sum of its proper divisors (167014125204980).

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

151637720245420 is a wasteful number, since it uses less digits than its factorization.

151637720245420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248962 (or 248960 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 151637720245420 in words is "one hundred fifty-one trillion, six hundred thirty-seven billion, seven hundred twenty million, two hundred forty-five thousand, four hundred twenty".