149400972520 has 32 divisors (see below), whose sum is σ = 353844410400. Its totient is φ = 56615105088.

The previous prime is 149400972443. The next prime is 149400972547. The reversal of 149400972520 is 25279004941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98289354 + ... + 98290873.

It is an arithmetic number, because the mean of its divisors is an integer number (11057637825).

Almost surely, 2^149400972520 is an apocalyptic number.

149400972520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149400972520 is an abundant number, since it is smaller than the sum of its proper divisors (204443437880).

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

149400972520 is a wasteful number, since it uses less digits than its factorization.

149400972520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196580257 (or 196580253 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 149400972520 in words is "one hundred forty-nine billion, four hundred million, nine hundred seventy-two thousand, five hundred twenty".