745288572145 has 32 divisors (see below), whose sum is σ = 979447873824. Its totient is φ = 541058918400.

The previous prime is 745288572139. The next prime is 745288572169. The reversal of 745288572145 is 541275882547.

745288572145 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 16 ways, for example, as 675105435904 + 70183136241 = 821648^2 + 264921^2 .

It is not a de Polignac number, because 745288572145 - 2⁵ = 745288572113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745288572145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7615725 + ... + 7712965.

It is an arithmetic number, because the mean of its divisors is an integer number (30607746057).

Almost surely, 2^745288572145 is an apocalyptic number.

It is an amenable number.

745288572145 is a deficient number, since it is larger than the sum of its proper divisors (234159301679).

745288572145 is a wasteful number, since it uses less digits than its factorization.

745288572145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99253.

The product of its digits is 25088000, while the sum is 58.

The spelling of 745288572145 in words is "seven hundred forty-five billion, two hundred eighty-eight million, five hundred seventy-two thousand, one hundred forty-five".