45609888 has 24 divisors (see below), whose sum is σ = 119726208. Its totient is φ = 15203264.

The previous prime is 45609887. The next prime is 45609923. The reversal of 45609888 is 88890654.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (45609887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237456 + ... + 237647.

It is an arithmetic number, because the mean of its divisors is an integer number (4988592).

Almost surely, 2^45609888 is an apocalyptic number.

45609888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45609888 is an abundant number, since it is smaller than the sum of its proper divisors (74116320).

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

45609888 is a wasteful number, since it uses less digits than its factorization.

45609888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475116 (or 475108 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 45609888 is about 6753.5093099810. The cubic root of 45609888 is about 357.2890189099.

The spelling of 45609888 in words is "forty-five million, six hundred nine thousand, eight hundred eighty-eight".