745152815 has 32 divisors (see below), whose sum is σ = 993337344. Its totient is φ = 532103040.

The previous prime is 745152809. The next prime is 745152833. The reversal of 745152815 is 518251547.

It is not a de Polignac number, because 745152815 - 2⁴ = 745152799 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 746897 + ... + 747893.

It is an arithmetic number, because the mean of its divisors is an integer number (31041792).

Almost surely, 2^745152815 is an apocalyptic number.

745152815 is a deficient number, since it is larger than the sum of its proper divisors (248184529).

745152815 is a wasteful number, since it uses less digits than its factorization.

745152815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its digits is 56000, while the sum is 38.

The square root of 745152815 is about 27297.4873385812. The cubic root of 745152815 is about 906.5987490725.

The spelling of 745152815 in words is "seven hundred forty-five million, one hundred fifty-two thousand, eight hundred fifteen".