1045045456 has 40 divisors (see below), whose sum is σ = 2492034944. Its totient is φ = 413424000.

The previous prime is 1045045409. The next prime is 1045045459. The reversal of 1045045456 is 6545405401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045045459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357420 + ... + 360331.

Almost surely, 2^1045045456 is an apocalyptic number.

1045045456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1045045456 is an abundant number, since it is smaller than the sum of its proper divisors (1446989488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045045456 is a wasteful number, since it uses less digits than its factorization.

1045045456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717779 (or 717773 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1045045456 is about 32327.1628201424. The cubic root of 1045045456 is about 1014.7951752485.

The spelling of 1045045456 in words is "one billion, forty-five million, forty-five thousand, four hundred fifty-six".