45138228426 has 32 divisors (see below), whose sum is σ = 100474704000. Its totient is φ = 15020946720.

The previous prime is 45138228349. The next prime is 45138228467. The reversal of 45138228426 is 62482283154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665395 + ... + 730086.

It is an arithmetic number, because the mean of its divisors is an integer number (3139834500).

Almost surely, 2^45138228426 is an apocalyptic number.

45138228426 is an abundant number, since it is smaller than the sum of its proper divisors (55336475574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45138228426 is a wasteful number, since it uses less digits than its factorization.

45138228426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396091 (or 1396085 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 45138228426 in words is "forty-five billion, one hundred thirty-eight million, two hundred twenty-eight thousand, four hundred twenty-six".