45138911626 has 8 divisors (see below), whose sum is σ = 70043138820. Its totient is φ = 21791198688.

The previous prime is 45138911611. The next prime is 45138911723. The reversal of 45138911626 is 62611983154.

It can be written as a sum of positive squares in 2 ways, for example, as 43641299025 + 1497612601 = 208905^2 + 38699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389128491 + ... + 389128606.

Almost surely, 2^45138911626 is an apocalyptic number.

45138911626 is a deficient number, since it is larger than the sum of its proper divisors (24904227194).

45138911626 is a wasteful number, since it uses less digits than its factorization.

45138911626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778257128.

The product of its digits is 311040, while the sum is 46.

The spelling of 45138911626 in words is "forty-five billion, one hundred thirty-eight million, nine hundred eleven thousand, six hundred twenty-six".