45781160 has 16 divisors (see below), whose sum is σ = 103007700. Its totient is φ = 18312448.

The previous prime is 45781157. The next prime is 45781181. The reversal of 45781160 is 6118754.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 649636 = 6718^2 + 806^2 .

It is a super-2 number, since 2×45781160² = 4191829221891200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572225 + ... + 572304.

Almost surely, 2^45781160 is an apocalyptic number.

45781160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45781160 is an abundant number, since it is smaller than the sum of its proper divisors (57226540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45781160 is a wasteful number, since it uses less digits than its factorization.

45781160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144540 (or 1144536 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 45781160 is about 6766.1776506385. The cubic root of 45781160 is about 357.7356849719.

The spelling of 45781160 in words is "forty-five million, seven hundred eighty-one thousand, one hundred sixty".