1144450939 has 2 divisors, whose sum is σ = 1144450940. Its totient is φ = 1144450938.

The previous prime is 1144450913. The next prime is 1144450943. The reversal of 1144450939 is 9390544411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144450939 - 2²⁹ = 607580027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144450949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572225469 + 572225470.

It is an arithmetic number, because the mean of its divisors is an integer number (572225470).

Almost surely, 2^1144450939 is an apocalyptic number.

1144450939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144450939 is an equidigital number, since it uses as much as digits as its factorization.

1144450939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1144450939 is about 33829.7345393073. The cubic root of 1144450939 is about 1046.0017070070.

The spelling of 1144450939 in words is "one billion, one hundred forty-four million, four hundred fifty thousand, nine hundred thirty-nine".