1144896975 has 36 divisors (see below), whose sum is σ = 2061451392. Its totient is φ = 607392000.

The previous prime is 1144896959. The next prime is 1144896989. The reversal of 1144896975 is 5796984411.

It is not a de Polignac number, because 1144896975 - 2⁴ = 1144896959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29655 + ... + 56295.

Almost surely, 2^1144896975 is an apocalyptic number.

1144896975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144896975 is a deficient number, since it is larger than the sum of its proper divisors (916554417).

1144896975 is a wasteful number, since it uses less digits than its factorization.

1144896975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26848 (or 26840 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 1144896975 is about 33836.3262633519. The cubic root of 1144896975 is about 1046.1375782221.

The spelling of 1144896975 in words is "one billion, one hundred forty-four million, eight hundred ninety-six thousand, nine hundred seventy-five".