1045564456 has 8 divisors (see below), whose sum is σ = 1960433370. Its totient is φ = 522782224.

The previous prime is 1045564453. The next prime is 1045564459. The reversal of 1045564456 is 6544655401.

It is an interprime number because it is at equal distance from previous prime (1045564453) and next prime (1045564459).

It can be written as a sum of positive squares in only one way, i.e., 938441956 + 107122500 = 30634^2 + 10350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1045564453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65347771 + ... + 65347786.

Almost surely, 2^1045564456 is an apocalyptic number.

It is an amenable number.

1045564456 is a deficient number, since it is larger than the sum of its proper divisors (914868914).

1045564456 is a wasteful number, since it uses less digits than its factorization.

1045564456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130695563 (or 130695559 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 1045564456 is about 32335.1891288732. The cubic root of 1045564456 is about 1014.9631397228.

The spelling of 1045564456 in words is "one billion, forty-five million, five hundred sixty-four thousand, four hundred fifty-six".