1144979575 has 12 divisors (see below), whose sum is σ = 1465574848. Its totient is φ = 886435200.

The previous prime is 1144979569. The next prime is 1144979581. The reversal of 1144979575 is 5759794411.

It is an interprime number because it is at equal distance from previous prime (1144979569) and next prime (1144979581).

It is not a de Polignac number, because 1144979575 - 2⁵ = 1144979543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737922 + ... + 739471.

Almost surely, 2^1144979575 is an apocalyptic number.

1144979575 is a deficient number, since it is larger than the sum of its proper divisors (320595273).

1144979575 is a wasteful number, since it uses less digits than its factorization.

1144979575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477434 (or 1477429 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 52.

The square root of 1144979575 is about 33837.5468230190. The cubic root of 1144979575 is about 1046.1627359110.

The spelling of 1144979575 in words is "one billion, one hundred forty-four million, nine hundred seventy-nine thousand, five hundred seventy-five".