45609168 has 40 divisors (see below), whose sum is σ = 128536416. Its totient is φ = 13820800.

The previous prime is 45609167. The next prime is 45609191. The reversal of 45609168 is 86190654.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45609167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42663 + ... + 43718.

Almost surely, 2^45609168 is an apocalyptic number.

45609168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45609168 is an abundant number, since it is smaller than the sum of its proper divisors (82927248).

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

45609168 is a wasteful number, since it uses less digits than its factorization.

45609168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86403 (or 86397 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 45609168 is about 6753.4560041508. The cubic root of 45609168 is about 357.2871388392.

The spelling of 45609168 in words is "forty-five million, six hundred nine thousand, one hundred sixty-eight".