1045644364 has 12 divisors (see below), whose sum is σ = 1937517624. Its totient is φ = 492067904.

The previous prime is 1045644323. The next prime is 1045644389. The reversal of 1045644364 is 4634465401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7688494 + ... + 7688629.

It is an arithmetic number, because the mean of its divisors is an integer number (161459802).

Almost surely, 2^1045644364 is an apocalyptic number.

It is an amenable number.

1045644364 is a deficient number, since it is larger than the sum of its proper divisors (891873260).

1045644364 is a wasteful number, since it uses less digits than its factorization.

1045644364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15377144 (or 15377142 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 1045644364 is about 32336.4247250682. The cubic root of 1045644364 is about 1014.9889954884.

The spelling of 1045644364 in words is "one billion, forty-five million, six hundred forty-four thousand, three hundred sixty-four".