745185180 has 48 divisors (see below), whose sum is σ = 2142917280. Its totient is φ = 193344768.

The previous prime is 745185179. The next prime is 745185197. The reversal of 745185180 is 81581547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165615 + ... + 170054.

It is an arithmetic number, because the mean of its divisors is an integer number (44644110).

Almost surely, 2^745185180 is an apocalyptic number.

It is an amenable number.

745185180 is an abundant number, since it is smaller than the sum of its proper divisors (1397732100).

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

745185180 is a wasteful number, since it uses less digits than its factorization.

745185180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335718 (or 335716 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 745185180 is about 27298.0801522744. The cubic root of 745185180 is about 906.6118746324.

The spelling of 745185180 in words is "seven hundred forty-five million, one hundred eighty-five thousand, one hundred eighty".