45664158 has 8 divisors (see below), whose sum is σ = 91328328. Its totient is φ = 15221384.

The previous prime is 45664139. The next prime is 45664169. The reversal of 45664158 is 85146654.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

45664158 is an admirable number.

It is a congruent number.

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, 3805341 + ... + 3805352.

It is an arithmetic number, because the mean of its divisors is an integer number (11416041).

Almost surely, 2^45664158 is an apocalyptic number.

45664158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45664158 is a wasteful number, since it uses less digits than its factorization.

45664158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610698.

The product of its digits is 115200, while the sum is 39.

The square root of 45664158 is about 6757.5260265869. The cubic root of 45664158 is about 357.4306723277.

The spelling of 45664158 in words is "forty-five million, six hundred sixty-four thousand, one hundred fifty-eight".