45013478185 has 8 divisors (see below), whose sum is σ = 58171264200. Its totient is φ = 33240722304.

The previous prime is 45013478179. The next prime is 45013478219. The reversal of 45013478185 is 58187431054.

It can be written as a sum of positive squares in 4 ways, for example, as 25371369 + 44988106816 = 5037^2 + 212104^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45013478185 - 2²⁷ = 44879260457 is a prime.

It is a super-2 number, since 2×45013478185² (a number of 22 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 346257460 + ... + 346257589.

It is an arithmetic number, because the mean of its divisors is an integer number (7271408025).

Almost surely, 2^45013478185 is an apocalyptic number.

It is an amenable number.

45013478185 is a deficient number, since it is larger than the sum of its proper divisors (13157786015).

45013478185 is a wasteful number, since it uses less digits than its factorization.

45013478185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692515067.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 45013478185 in words is "forty-five billion, thirteen million, four hundred seventy-eight thousand, one hundred eighty-five".