45257561134 has 4 divisors (see below), whose sum is σ = 67886341704. Its totient is φ = 22628780566.

The previous prime is 45257561117. The next prime is 45257561171. The reversal of 45257561134 is 43116575254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43116575254 = 2 ⋅21558287627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11314390282 + ... + 11314390285.

It is an arithmetic number, because the mean of its divisors is an integer number (16971585426).

Almost surely, 2^45257561134 is an apocalyptic number.

45257561134 is a deficient number, since it is larger than the sum of its proper divisors (22628780570).

45257561134 is a wasteful number, since it uses less digits than its factorization.

45257561134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22628780569.

The product of its digits is 504000, while the sum is 43.

The spelling of 45257561134 in words is "forty-five billion, two hundred fifty-seven million, five hundred sixty-one thousand, one hundred thirty-four".