745152858 has 20 divisors (see below), whose sum is σ = 1669694730. Its totient is φ = 248384232.

The previous prime is 745152853. The next prime is 745152871. The reversal of 745152858 is 858251547.

745152858 is a `hidden beast` number, since 74 + 5 + 1 + 528 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 606784689 + 138368169 = 24633^2 + 11763^2 .

It is not an unprimeable number, because it can be changed into a prime (745152853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2299693 + ... + 2300016.

Almost surely, 2^745152858 is an apocalyptic number.

745152858 is an abundant number, since it is smaller than the sum of its proper divisors (924541872).

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

745152858 is a wasteful number, since it uses less digits than its factorization.

745152858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599723 (or 4599714 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 745152858 is about 27297.4881261995. The cubic root of 745152858 is about 906.5987665114.

The spelling of 745152858 in words is "seven hundred forty-five million, one hundred fifty-two thousand, eight hundred fifty-eight".