13972572045 has 48 divisors (see below), whose sum is σ = 24653416320. Its totient is φ = 7318657152.

The previous prime is 13972572023. The next prime is 13972572083. The reversal of 13972572045 is 54027527931.

It is a happy number.

13972572045 is a `hidden beast` number, since 1 + 3 + 9 + 72 + 572 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 13972572045 - 2⁶ = 13972571981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3839967 + ... + 3843603.

It is an arithmetic number, because the mean of its divisors is an integer number (513612840).

Almost surely, 2^13972572045 is an apocalyptic number.

13972572045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13972572045 is a deficient number, since it is larger than the sum of its proper divisors (10680844275).

13972572045 is a wasteful number, since it uses less digits than its factorization.

13972572045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154 (or 5151 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 13972572045 in words is "thirteen billion, nine hundred seventy-two million, five hundred seventy-two thousand, forty-five".