1144642052 has 24 divisors (see below), whose sum is σ = 2021327616. Its totient is φ = 567144288.

The previous prime is 1144642039. The next prime is 1144642063. The reversal of 1144642052 is 2502464411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199658 + ... + 205310.

It is an arithmetic number, because the mean of its divisors is an integer number (84221984).

Almost surely, 2^1144642052 is an apocalyptic number.

It is an amenable number.

1144642052 is a deficient number, since it is larger than the sum of its proper divisors (876685564).

1144642052 is a wasteful number, since it uses less digits than its factorization.

1144642052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107 (or 6105 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1144642052 is about 33832.5590518956. The cubic root of 1144642052 is about 1046.0599280546.

The spelling of 1144642052 in words is "one billion, one hundred forty-four million, six hundred forty-two thousand, fifty-two".