1144230939 has 48 divisors (see below), whose sum is σ = 1783192320. Its totient is φ = 704808000.

The previous prime is 1144230937. The next prime is 1144230943. The reversal of 1144230939 is 9390324411.

It is not a de Polignac number, because 1144230939 - 2¹ = 1144230937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144230937) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2274562 + ... + 2275064.

It is an arithmetic number, because the mean of its divisors is an integer number (37149840).

Almost surely, 2^1144230939 is an apocalyptic number.

1144230939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1144230939 is a deficient number, since it is larger than the sum of its proper divisors (638961381).

1144230939 is a wasteful number, since it uses less digits than its factorization.

1144230939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1144230939 is about 33826.4828056362. The cubic root of 1144230939 is about 1045.9346777400.

The spelling of 1144230939 in words is "one billion, one hundred forty-four million, two hundred thirty thousand, nine hundred thirty-nine".