1144654652 has 12 divisors (see below), whose sum is σ = 2003622936. Its totient is φ = 572190960.

The previous prime is 1144654583. The next prime is 1144654669. The reversal of 1144654652 is 2564564411.

It is a happy number.

It is a super-2 number, since 2×1144654652² = 2620468544690482208, which contains 22 as substring.

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, 13874 + ... + 49817.

It is an arithmetic number, because the mean of its divisors is an integer number (166968578).

Almost surely, 2^1144654652 is an apocalyptic number.

It is an amenable number.

1144654652 is a deficient number, since it is larger than the sum of its proper divisors (858968284).

1144654652 is a wasteful number, since it uses less digits than its factorization.

1144654652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68188 (or 68186 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 1144654652 is about 33832.7452625411. The cubic root of 1144654652 is about 1046.0637663161.

The spelling of 1144654652 in words is "one billion, one hundred forty-four million, six hundred fifty-four thousand, six hundred fifty-two".