1144662631 has 16 divisors (see below), whose sum is σ = 1358235648. Its totient is φ = 943970400.

The previous prime is 1144662613. The next prime is 1144662661. The reversal of 1144662631 is 1362664411.

It is a cyclic number.

It is not a de Polignac number, because 1144662631 - 2²⁵ = 1111108199 is a prime.

It is a super-2 number, since 2×1144662631² = 2620505077615684322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144662601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22296 + ... + 52786.

It is an arithmetic number, because the mean of its divisors is an integer number (84889728).

Almost surely, 2^1144662631 is an apocalyptic number.

1144662631 is a deficient number, since it is larger than the sum of its proper divisors (213573017).

1144662631 is a wasteful number, since it uses less digits than its factorization.

1144662631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30702.

The product of its digits is 20736, while the sum is 34.

The square root of 1144662631 is about 33832.8631806414. The cubic root of 1144662631 is about 1046.0661968959.

The spelling of 1144662631 in words is "one billion, one hundred forty-four million, six hundred sixty-two thousand, six hundred thirty-one".