1045672745 has 16 divisors (see below), whose sum is σ = 1357753152. Its totient is φ = 768519360.

The previous prime is 1045672729. The next prime is 1045672829. The reversal of 1045672745 is 5472765401.

It is not a de Polignac number, because 1045672745 - 2⁴ = 1045672729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24407 + ... + 51836.

It is an arithmetic number, because the mean of its divisors is an integer number (84859572).

Almost surely, 2^1045672745 is an apocalyptic number.

It is an amenable number.

1045672745 is a deficient number, since it is larger than the sum of its proper divisors (312080407).

1045672745 is a wasteful number, since it uses less digits than its factorization.

1045672745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76472.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 1045672745 is about 32336.8635615763. The cubic root of 1045672745 is about 1014.9981783882.

The spelling of 1045672745 in words is "one billion, forty-five million, six hundred seventy-two thousand, seven hundred forty-five".