1144662651 has 16 divisors (see below), whose sum is σ = 1849960320. Its totient is φ = 693734760.

The previous prime is 1144662613. The next prime is 1144662661. The reversal of 1144662651 is 1562664411.

It is not a de Polignac number, because 1144662651 - 2⁷ = 1144662523 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 1926745 + ... + 1927338.

It is an arithmetic number, because the mean of its divisors is an integer number (115622520).

Almost surely, 2^1144662651 is an apocalyptic number.

1144662651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1144662651 is a deficient number, since it is larger than the sum of its proper divisors (705297669).

1144662651 is a wasteful number, since it uses less digits than its factorization.

1144662651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854103 (or 3854097 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1144662651 is about 33832.8634762120. The cubic root of 1144662651 is about 1046.0662029883.

The spelling of 1144662651 in words is "one billion, one hundred forty-four million, six hundred sixty-two thousand, six hundred fifty-one".