1144390330 has 16 divisors (see below), whose sum is σ = 2168318880. Its totient is φ = 433663632.

The previous prime is 1144390259. The next prime is 1144390367. The reversal of 1144390330 is 330934411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011364 + ... + 3011743.

It is an arithmetic number, because the mean of its divisors is an integer number (135519930).

Almost surely, 2^1144390330 is an apocalyptic number.

1144390330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144390330 is a deficient number, since it is larger than the sum of its proper divisors (1023928550).

1144390330 is a wasteful number, since it uses less digits than its factorization.

1144390330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023133.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1144390330 is about 33828.8387326553. The cubic root of 1144390330 is about 1045.9832416059.

The spelling of 1144390330 in words is "one billion, one hundred forty-four million, three hundred ninety thousand, three hundred thirty".