149640147072 has 96 divisors (see below), whose sum is σ = 463728627180. Its totient is φ = 46043117568.

The previous prime is 149640147071. The next prime is 149640147079. The reversal of 149640147072 is 270741046941.

It can be written as a sum of positive squares in 2 ways, for example, as 119455949376 + 30184197696 = 345624^2 + 173736^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (149640147071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4981023 + ... + 5010974.

Almost surely, 2^149640147072 is an apocalyptic number.

149640147072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149640147072 is an abundant number, since it is smaller than the sum of its proper divisors (314088480108).

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

149640147072 is a wasteful number, since it uses less digits than its factorization.

149640147072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992030 (or 9992015 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 149640147072 in words is "one hundred forty-nine billion, six hundred forty million, one hundred forty-seven thousand, seventy-two".