1144465752 has 64 divisors (see below), whose sum is σ = 2925982080. Its totient is φ = 372943872.

The previous prime is 1144465747. The next prime is 1144465771. The reversal of 1144465752 is 2575644411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144465752.

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 15 ways as a sum of consecutive naturals, for example, 190263 + ... + 196185.

It is an arithmetic number, because the mean of its divisors is an integer number (45718470).

Almost surely, 2^1144465752 is an apocalyptic number.

1144465752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144465752 is an abundant number, since it is smaller than the sum of its proper divisors (1781516328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144465752 is a wasteful number, since it uses less digits than its factorization.

1144465752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112 (or 6108 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 1144465752 is about 33829.9534732166. The cubic root of 1144465752 is about 1046.0062199007.

The spelling of 1144465752 in words is "one billion, one hundred forty-four million, four hundred sixty-five thousand, seven hundred fifty-two".