745186345 has 16 divisors (see below), whose sum is σ = 919670400. Its totient is φ = 579325824.

The previous prime is 745186303. The next prime is 745186423. The reversal of 745186345 is 543681547.

It is a cyclic number.

It is not a de Polignac number, because 745186345 - 2¹⁹ = 744662057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34077 + ... + 51493.

It is an arithmetic number, because the mean of its divisors is an integer number (57479400).

Almost surely, 2^745186345 is an apocalyptic number.

It is an amenable number.

745186345 is a deficient number, since it is larger than the sum of its proper divisors (174484055).

745186345 is a wasteful number, since it uses less digits than its factorization.

745186345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17664.

The product of its digits is 403200, while the sum is 43.

The square root of 745186345 is about 27298.1014907631. The cubic root of 745186345 is about 906.6123470887.

The spelling of 745186345 in words is "seven hundred forty-five million, one hundred eighty-six thousand, three hundred forty-five".