45885131 has 4 divisors (see below), whose sum is σ = 46314072. Its totient is φ = 45456192.

The previous prime is 45885127. The next prime is 45885137. The reversal of 45885131 is 13158854.

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 45885131 - 2² = 45885127 is a prime.

It is a super-2 number, since 2×45885131² = 4210890493774322, 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 = 45885091 and 45885100.

It is not an unprimeable number, because it can be changed into a prime (45885137) 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, 214310 + ... + 214523.

It is an arithmetic number, because the mean of its divisors is an integer number (11578518).

Almost surely, 2^45885131 is an apocalyptic number.

45885131 is a deficient number, since it is larger than the sum of its proper divisors (428941).

45885131 is a wasteful number, since it uses less digits than its factorization.

45885131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428940.

The product of its digits is 19200, while the sum is 35.

The square root of 45885131 is about 6773.8564348530. The cubic root of 45885131 is about 358.0062913077.

The spelling of 45885131 in words is "forty-five million, eight hundred eighty-five thousand, one hundred thirty-one".