1144664252 has 12 divisors (see below), whose sum is σ = 2004241680. Its totient is φ = 572023776.

The previous prime is 1144664237. The next prime is 1144664293. The reversal of 1144664252 is 2524664411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68633 + ... + 83664.

It is an arithmetic number, because the mean of its divisors is an integer number (167020140).

Almost surely, 2^1144664252 is an apocalyptic number.

It is an amenable number.

1144664252 is a deficient number, since it is larger than the sum of its proper divisors (859577428).

1144664252 is a wasteful number, since it uses less digits than its factorization.

1144664252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154180 (or 154178 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 1144664252 is about 33832.8871366308. The cubic root of 1144664252 is about 1046.0666906870.

The spelling of 1144664252 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred fifty-two".