149561955072 has 54 divisors (see below), whose sum is σ = 431223994292. Its totient is φ = 49853984256.

The previous prime is 149561955047. The next prime is 149561955089. The reversal of 149561955072 is 270559165941.

149561955072 is a `hidden beast` number, since 1 + 4 + 9 + 5 + 6 + 19 + 550 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32454718 + ... + 32459325.

Almost surely, 2^149561955072 is an apocalyptic number.

149561955072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149561955072 is an abundant number, since it is smaller than the sum of its proper divisors (281662039220).

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

149561955072 is an equidigital number, since it uses as much as digits as its factorization.

149561955072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64914065 (or 64914048 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The spelling of 149561955072 in words is "one hundred forty-nine billion, five hundred sixty-one million, nine hundred fifty-five thousand, seventy-two".