45671814972 has 36 divisors (see below), whose sum is σ = 131940799536. Its totient is φ = 13049089920.

The previous prime is 45671814961. The next prime is 45671814977. The reversal of 45671814972 is 27941817654.

45671814972 is a `hidden beast` number, since 4 + 5 + 6 + 71 + 81 + 497 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45671814977) 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, 90618429 + ... + 90618932.

Almost surely, 2^45671814972 is an apocalyptic number.

45671814972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45671814972 is an abundant number, since it is smaller than the sum of its proper divisors (86268984564).

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

45671814972 is a wasteful number, since it uses less digits than its factorization.

45671814972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181237378 (or 181237373 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 45671814972 in words is "forty-five billion, six hundred seventy-one million, eight hundred fourteen thousand, nine hundred seventy-two".