1045544997 has 12 divisors (see below), whose sum is σ = 1621661856. Its totient is φ = 597454200.

The previous prime is 1045544993. The next prime is 1045545023. The reversal of 1045544997 is 7994455401.

It is a happy number.

It is not a de Polignac number, because 1045544997 - 2² = 1045544993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045544993) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3556129 + ... + 3556422.

It is an arithmetic number, because the mean of its divisors is an integer number (135138488).

Almost surely, 2^1045544997 is an apocalyptic number.

It is an amenable number.

1045544997 is a deficient number, since it is larger than the sum of its proper divisors (576116859).

1045544997 is an equidigital number, since it uses as much as digits as its factorization.

1045544997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112568 (or 7112561 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 1045544997 is about 32334.8882323722. Note that the first 3 decimals coincide. The cubic root of 1045544997 is about 1014.9568431908.

The spelling of 1045544997 in words is "one billion, forty-five million, five hundred forty-four thousand, nine hundred ninety-seven".