745168232 has 16 divisors (see below), whose sum is σ = 1416331140. Its totient is φ = 367479936.

The previous prime is 745168231. The next prime is 745168241. The reversal of 745168232 is 232861547.

It is a happy number.

745168232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 678810916 + 66357316 = 26054^2 + 8146^2 .

It is not an unprimeable number, because it can be changed into a prime (745168231) 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, 637403 + ... + 638570.

Almost surely, 2^745168232 is an apocalyptic number.

It is an amenable number.

745168232 is a deficient number, since it is larger than the sum of its proper divisors (671162908).

745168232 is a wasteful number, since it uses less digits than its factorization.

745168232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276052 (or 1276048 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 745168232 is about 27297.7697257487. The cubic root of 745168232 is about 906.6050014529.

The spelling of 745168232 in words is "seven hundred forty-five million, one hundred sixty-eight thousand, two hundred thirty-two".