1045217456 has 40 divisors (see below), whose sum is σ = 2048447760. Its totient is φ = 516612096.

The previous prime is 1045217441. The next prime is 1045217533. The reversal of 1045217456 is 6547125401.

It is a super-2 number, since 2×1045217456² = 2184959060654223872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216355 + ... + 1217213.

It is an arithmetic number, because the mean of its divisors is an integer number (51211194).

Almost surely, 2^1045217456 is an apocalyptic number.

1045217456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1045217456 is a deficient number, since it is larger than the sum of its proper divisors (1003230304).

1045217456 is a wasteful number, since it uses less digits than its factorization.

1045217456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1045217456 is about 32329.8230121973. The cubic root of 1045217456 is about 1014.8508459354.

The spelling of 1045217456 in words is "one billion, forty-five million, two hundred seventeen thousand, four hundred fifty-six".