45139543268 has 12 divisors (see below), whose sum is σ = 79001079612. Its totient is φ = 22567806240.

The previous prime is 45139543259. The next prime is 45139543307. The reversal of 45139543268 is 86234593154.

It can be written as a sum of positive squares in 2 ways, for example, as 3988175104 + 41151368164 = 63152^2 + 202858^2 .

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, 439055 + ... + 532022.

It is an arithmetic number, because the mean of its divisors is an integer number (6583423301).

Almost surely, 2^45139543268 is an apocalyptic number.

It is an amenable number.

45139543268 is a deficient number, since it is larger than the sum of its proper divisors (33861536344).

45139543268 is a wasteful number, since it uses less digits than its factorization.

45139543268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982702 (or 982700 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 45139543268 in words is "forty-five billion, one hundred thirty-nine million, five hundred forty-three thousand, two hundred sixty-eight".