745674145 has 16 divisors (see below), whose sum is σ = 988640640. Its totient is φ = 537036544.

The previous prime is 745674131. The next prime is 745674157. The reversal of 745674145 is 541476547.

It is a cyclic number.

It is not a de Polignac number, because 745674145 - 2⁵ = 745674113 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 188755 + ... + 192664.

It is an arithmetic number, because the mean of its divisors is an integer number (61790040).

Almost surely, 2^745674145 is an apocalyptic number.

It is an amenable number.

745674145 is a deficient number, since it is larger than the sum of its proper divisors (242966495).

745674145 is a wasteful number, since it uses less digits than its factorization.

745674145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381464.

The product of its digits is 470400, while the sum is 43.

The square root of 745674145 is about 27307.0347163510. The cubic root of 745674145 is about 906.8101271665.

The spelling of 745674145 in words is "seven hundred forty-five million, six hundred seventy-four thousand, one hundred forty-five".