45688542 has 16 divisors (see below), whose sum is σ = 91459200. Its totient is φ = 15215832.

The previous prime is 45688507. The next prime is 45688553. The reversal of 45688542 is 24588654.

It is a junction number, because it is equal to n+sod(n) for n = 45688494 and 45688503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673 + ... + 11115.

It is an arithmetic number, because the mean of its divisors is an integer number (5716200).

Almost surely, 2^45688542 is an apocalyptic number.

45688542 is an abundant number, since it is smaller than the sum of its proper divisors (45770658).

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

45688542 is a wasteful number, since it uses less digits than its factorization.

45688542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847.

The product of its digits is 307200, while the sum is 42.

The square root of 45688542 is about 6759.3299963828. The cubic root of 45688542 is about 357.4942819435.

The spelling of 45688542 in words is "forty-five million, six hundred eighty-eight thousand, five hundred forty-two".