45698891 has 16 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 38253600.

The previous prime is 45698881. The next prime is 45698897. The reversal of 45698891 is 19889654.

It is a happy number.

It is not a de Polignac number, because 45698891 - 2⁶ = 45698827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45698897) 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, 64841 + ... + 65541.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^45698891 is an apocalyptic number.

45698891 is a deficient number, since it is larger than the sum of its proper divisors (7765429).

45698891 is a wasteful number, since it uses less digits than its factorization.

45698891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 622080, while the sum is 50.

The square root of 45698891 is about 6760.0954874913. The cubic root of 45698891 is about 357.5212721461.

The spelling of 45698891 in words is "forty-five million, six hundred ninety-eight thousand, eight hundred ninety-one".