45721765125142 has 4 divisors (see below), whose sum is σ = 68582647687716. Its totient is φ = 22860882562570.

The previous prime is 45721765125133. The next prime is 45721765125187. The reversal of 45721765125142 is 24152156712754.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45721765125142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430441281284 + ... + 11430441281287.

It is an arithmetic number, because the mean of its divisors is an integer number (17145661921929).

Almost surely, 2^{45721765125142} is an apocalyptic number.

45721765125142 is a deficient number, since it is larger than the sum of its proper divisors (22860882562574).

45721765125142 is a wasteful number, since it uses less digits than its factorization.

45721765125142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22860882562573.

The product of its digits is 4704000, while the sum is 52.

The spelling of 45721765125142 in words is "forty-five trillion, seven hundred twenty-one billion, seven hundred sixty-five million, one hundred twenty-five thousand, one hundred forty-two".