45238273457 has 16 divisors (see below), whose sum is σ = 49002181200. Its totient is φ = 41515622400.

The previous prime is 45238273447. The next prime is 45238273471. The reversal of 45238273457 is 75437283254.

It can be written as a sum of positive squares in 8 ways, for example, as 4292346256 + 40945927201 = 65516^2 + 202351^2 .

It is a cyclic number.

It is not a de Polignac number, because 45238273457 - 2²² = 45234079153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45238273417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1626407 + ... + 1653987.

It is an arithmetic number, because the mean of its divisors is an integer number (3062636325).

Almost surely, 2^45238273457 is an apocalyptic number.

It is an amenable number.

45238273457 is a deficient number, since it is larger than the sum of its proper divisors (3763907743).

45238273457 is a wasteful number, since it uses less digits than its factorization.

45238273457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324.

The product of its digits is 5644800, while the sum is 50.

The spelling of 45238273457 in words is "forty-five billion, two hundred thirty-eight million, two hundred seventy-three thousand, four hundred fifty-seven".