45512341857 has 16 divisors (see below), whose sum is σ = 67437156480. Its totient is φ = 30336402096.

The previous prime is 45512341817. The next prime is 45512341883. The reversal of 45512341857 is 75814321554.

45512341857 is a `hidden beast` number, since 4 + 551 + 2 + 3 + 41 + 8 + 57 = 666.

It is not a de Polignac number, because 45512341857 - 2⁷ = 45512341729 is a prime.

It is a super-2 number, since 2×45512341857² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45512341817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21883 + ... + 302495.

It is an arithmetic number, because the mean of its divisors is an integer number (4214822280).

Almost surely, 2^45512341857 is an apocalyptic number.

It is an amenable number.

45512341857 is a deficient number, since it is larger than the sum of its proper divisors (21924814623).

45512341857 is a wasteful number, since it uses less digits than its factorization.

45512341857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286629 (or 286623 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 45512341857 in words is "forty-five billion, five hundred twelve million, three hundred forty-one thousand, eight hundred fifty-seven".