1144451904 has 56 divisors (see below), whose sum is σ = 3032443008. Its totient is φ = 380928000.

The previous prime is 1144451887. The next prime is 1144451929. The reversal of 1144451904 is 4091544411.

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 7 ways as a sum of consecutive naturals, for example, 140224 + ... + 148160.

It is an arithmetic number, because the mean of its divisors is an integer number (54150768).

Almost surely, 2^1144451904 is an apocalyptic number.

It is an amenable number.

1144451904 is an abundant number, since it is smaller than the sum of its proper divisors (1887991104).

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

1144451904 is an equidigital number, since it uses as much as digits as its factorization.

1144451904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703 (or 8693 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1144451904 is about 33829.7488019051. The cubic root of 1144451904 is about 1046.0020010028.

The spelling of 1144451904 in words is "one billion, one hundred forty-four million, four hundred fifty-one thousand, nine hundred four".