745147345 has 16 divisors (see below), whose sum is σ = 902264832. Its totient is φ = 590751040.

The previous prime is 745147321. The next prime is 745147363. The reversal of 745147345 is 543741547.

It is not a de Polignac number, because 745147345 - 2⁵ = 745147313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745147298 and 745147307.

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, 278484 + ... + 281146.

It is an arithmetic number, because the mean of its divisors is an integer number (56391552).

Almost surely, 2^745147345 is an apocalyptic number.

It is an amenable number.

745147345 is a deficient number, since it is larger than the sum of its proper divisors (157117487).

745147345 is a wasteful number, since it uses less digits than its factorization.

745147345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 235200, while the sum is 40.

The square root of 745147345 is about 27297.3871460255. The cubic root of 745147345 is about 906.5965306876.

The spelling of 745147345 in words is "seven hundred forty-five million, one hundred forty-seven thousand, three hundred forty-five".