1045784056 has 16 divisors (see below), whose sum is σ = 2046099600. Its totient is φ = 500157504.

The previous prime is 1045784017. The next prime is 1045784059. The reversal of 1045784056 is 6504875401.

It is a super-2 number, since 2×1045784056² = 2187328583567622272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045784059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841621 + ... + 2841988.

It is an arithmetic number, because the mean of its divisors is an integer number (127881225).

Almost surely, 2^1045784056 is an apocalyptic number.

It is an amenable number.

1045784056 is a deficient number, since it is larger than the sum of its proper divisors (1000315544).

1045784056 is a wasteful number, since it uses less digits than its factorization.

1045784056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683638 (or 5683634 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1045784056 is about 32338.5846319841. The cubic root of 1045784056 is about 1015.0341923496.

The spelling of 1045784056 in words is "one billion, forty-five million, seven hundred eighty-four thousand, fifty-six".