745323545 has 16 divisors (see below), whose sum is σ = 971834880. Its totient is φ = 546652800.

The previous prime is 745323497. The next prime is 745323569. The reversal of 745323545 is 545323547.

745323545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745323545 - 2⁸ = 745323289 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 745323499 and 745323508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123596 + ... + 129485.

It is an arithmetic number, because the mean of its divisors is an integer number (60739680).

Almost surely, 2^745323545 is an apocalyptic number.

It is an amenable number.

745323545 is a deficient number, since it is larger than the sum of its proper divisors (226511335).

745323545 is a wasteful number, since it uses less digits than its factorization.

745323545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253136.

The product of its digits is 252000, while the sum is 38.

The square root of 745323545 is about 27300.6143703764. The cubic root of 745323545 is about 906.6679839916.

The spelling of 745323545 in words is "seven hundred forty-five million, three hundred twenty-three thousand, five hundred forty-five".