45305131 has 8 divisors (see below), whose sum is σ = 46741520. Its totient is φ = 43879968.

The previous prime is 45305129. The next prime is 45305179. The reversal of 45305131 is 13150354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45305131 - 2¹ = 45305129 is a prime.

It is a super-2 number, since 2×45305131² = 4105109789854322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45305231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (5842690).

Almost surely, 2^45305131 is an apocalyptic number.

45305131 is a deficient number, since it is larger than the sum of its proper divisors (1436389).

45305131 is a wasteful number, since it uses less digits than its factorization.

45305131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 45305131 is about 6730.9086310839. The cubic root of 45305131 is about 356.4914597389.

Adding to 45305131 its reverse (13150354), we get a palindrome (58455485).

The spelling of 45305131 in words is "forty-five million, three hundred five thousand, one hundred thirty-one".