45920131 has 4 divisors (see below), whose sum is σ = 48337000. Its totient is φ = 43503264.

The previous prime is 45920117. The next prime is 45920143. The reversal of 45920131 is 13102954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45920131 - 2⁵ = 45920099 is a prime.

It is a super-2 number, since 2×45920131² = 4217316862114322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45920096 and 45920105.

It is not an unprimeable number, because it can be changed into a prime (45920191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208406 + ... + 1208443.

It is an arithmetic number, because the mean of its divisors is an integer number (12084250).

Almost surely, 2^45920131 is an apocalyptic number.

45920131 is a deficient number, since it is larger than the sum of its proper divisors (2416869).

45920131 is a wasteful number, since it uses less digits than its factorization.

45920131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416868.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 45920131 is about 6776.4394042890. The cubic root of 45920131 is about 358.0972941763.

The spelling of 45920131 in words is "forty-five million, nine hundred twenty thousand, one hundred thirty-one".