45636290 has 32 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 14822784.

The previous prime is 45636221. The next prime is 45636299. The reversal of 45636290 is 9263654.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45636290.

It is not an unprimeable number, because it can be changed into a prime (45636299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15827 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (3088260).

Almost surely, 2^45636290 is an apocalyptic number.

45636290 is an abundant number, since it is smaller than the sum of its proper divisors (53188030).

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

45636290 is a wasteful number, since it uses less digits than its factorization.

45636290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34346.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 45636290 is about 6755.4637146535. The cubic root of 45636290 is about 357.3579463984.

The spelling of 45636290 in words is "forty-five million, six hundred thirty-six thousand, two hundred ninety".