1045576491 has 8 divisors (see below), whose sum is σ = 1395471504. Its totient is φ = 696366240.

The previous prime is 1045576471. The next prime is 1045576531. The reversal of 1045576491 is 1946755401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045576491 - 2²³ = 1037187883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045576471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167616 + ... + 173741.

It is an arithmetic number, because the mean of its divisors is an integer number (174433938).

Almost surely, 2^1045576491 is an apocalyptic number.

1045576491 is a deficient number, since it is larger than the sum of its proper divisors (349895013).

1045576491 is a wasteful number, since it uses less digits than its factorization.

1045576491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342381.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1045576491 is about 32335.3752259039. The cubic root of 1045576491 is about 1014.9670339621.

The spelling of 1045576491 in words is "one billion, forty-five million, five hundred seventy-six thousand, four hundred ninety-one".