2045136 has 40 divisors (see below), whose sum is σ = 5338944. Its totient is φ = 674560.

The previous prime is 2045129. The next prime is 2045177. The reversal of 2045136 is 6315402.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6421 + ... + 6731.

2^2045136 is an apocalyptic number.

It is an amenable number.

2045136 is an abundant number, since it is smaller than the sum of its proper divisors (3293808).

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

2045136 is a wasteful number, since it uses less digits than its factorization.

2045136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2045136 is about 1430.0825151018. The cubic root of 2045136 is about 126.9328597107.

The spelling of 2045136 in words is "two million, forty-five thousand, one hundred thirty-six".