45660331 has 4 divisors (see below), whose sum is σ = 46894432. Its totient is φ = 44426232.

The previous prime is 45660323. The next prime is 45660389. The reversal of 45660331 is 13306654.

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 45660331 - 2³ = 45660323 is a prime.

It is a super-2 number, since 2×45660331² = 4169731654059122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45660331.

It is not an unprimeable number, because it can be changed into a prime (45060331) 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, 616995 + ... + 617068.

It is an arithmetic number, because the mean of its divisors is an integer number (11723608).

Almost surely, 2^45660331 is an apocalyptic number.

45660331 is a deficient number, since it is larger than the sum of its proper divisors (1234101).

45660331 is a wasteful number, since it uses less digits than its factorization.

45660331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234100.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 45660331 is about 6757.2428548928. The cubic root of 45660331 is about 357.4206869222.

Adding to 45660331 its reverse (13306654), we get a palindrome (58966985).

The spelling of 45660331 in words is "forty-five million, six hundred sixty thousand, three hundred thirty-one".