45639102 has 32 divisors (see below), whose sum is σ = 97672320. Its totient is φ = 14173920.

The previous prime is 45639091. The next prime is 45639103. The reversal of 45639102 is 20193654.

It is a self number, because there is not a number n which added to its sum of digits gives 45639102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45639103) 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, 3673 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (3052260).

Almost surely, 2^45639102 is an apocalyptic number.

45639102 is an abundant number, since it is smaller than the sum of its proper divisors (52033218).

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

45639102 is a wasteful number, since it uses less digits than its factorization.

45639102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 45639102 is about 6755.6718392770. The cubic root of 45639102 is about 357.3652860975.

The spelling of 45639102 in words is "forty-five million, six hundred thirty-nine thousand, one hundred two".