45308688 has 20 divisors (see below), whose sum is σ = 117047568. Its totient is φ = 15102880.

The previous prime is 45308651. The next prime is 45308737. The reversal of 45308688 is 88680354.

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, 471918 + ... + 472013.

Almost surely, 2^45308688 is an apocalyptic number.

45308688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45308688 is an abundant number, since it is smaller than the sum of its proper divisors (71738880).

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

45308688 is a wasteful number, since it uses less digits than its factorization.

45308688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943942 (or 943936 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 45308688 is about 6731.1728547111. The cubic root of 45308688 is about 356.5007891232.

The spelling of 45308688 in words is "forty-five million, three hundred eight thousand, six hundred eighty-eight".