45091836 has 48 divisors (see below), whose sum is σ = 117331200. Its totient is φ = 14975856.

The previous prime is 45091829. The next prime is 45091843. The reversal of 45091836 is 63819054.

45091836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45091829) and next prime (45091843).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45091836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38191 + ... + 39353.

It is an arithmetic number, because the mean of its divisors is an integer number (2444400).

Almost surely, 2^45091836 is an apocalyptic number.

It is an amenable number.

45091836 is an abundant number, since it is smaller than the sum of its proper divisors (72239364).

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

45091836 is a wasteful number, since it uses less digits than its factorization.

45091836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 45091836 is about 6715.0454950060. The cubic root of 45091836 is about 355.9311296308.

The spelling of 45091836 in words is "forty-five million, ninety-one thousand, eight hundred thirty-six".