745008165 has 64 divisors (see below), whose sum is σ = 1449861120. Its totient is φ = 359968320.

The previous prime is 745008161. The next prime is 745008241. The reversal of 745008165 is 561800547.

745008165 is a `hidden beast` number, since 74 + 500 + 81 + 6 + 5 = 666.

It is not a de Polignac number, because 745008165 - 2² = 745008161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745008161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 544312 + ... + 545678.

It is an arithmetic number, because the mean of its divisors is an integer number (22654080).

Almost surely, 2^745008165 is an apocalyptic number.

It is an amenable number.

745008165 is a deficient number, since it is larger than the sum of its proper divisors (704852955).

745008165 is a wasteful number, since it uses less digits than its factorization.

745008165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 745008165 is about 27294.8376987298. The cubic root of 745008165 is about 906.5400819137.

The spelling of 745008165 in words is "seven hundred forty-five million, eight thousand, one hundred sixty-five".