45785331 has 12 divisors (see below), whose sum is σ = 68584152. Its totient is φ = 30523392.

The previous prime is 45785329. The next prime is 45785339. The reversal of 45785331 is 13358754.

45785331 is a `hidden beast` number, since 4 + 578 + 53 + 31 = 666.

It is not a de Polignac number, because 45785331 - 2¹ = 45785329 is a prime.

It is a super-2 number, since 2×45785331² = 4192593069559122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45785339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93966 + ... + 94451.

It is an arithmetic number, because the mean of its divisors is an integer number (5715346).

Almost surely, 2^45785331 is an apocalyptic number.

45785331 is a deficient number, since it is larger than the sum of its proper divisors (22798821).

45785331 is an equidigital number, since it uses as much as digits as its factorization.

45785331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188432 (or 188420 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 45785331 is about 6766.4858678638. The cubic root of 45785331 is about 357.7465487583.

The spelling of 45785331 in words is "forty-five million, seven hundred eighty-five thousand, three hundred thirty-one".