1144552939 has 4 divisors (see below), whose sum is σ = 1144898656. Its totient is φ = 1144207224.

The previous prime is 1144552921. The next prime is 1144552993. The reversal of 1144552939 is 9392554411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144552939 - 2⁷ = 1144552811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144552895 and 1144552904.

It is not an unprimeable number, because it can be changed into a prime (1144555939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167844 + ... + 174529.

It is an arithmetic number, because the mean of its divisors is an integer number (286224664).

Almost surely, 2^1144552939 is an apocalyptic number.

1144552939 is a deficient number, since it is larger than the sum of its proper divisors (345717).

1144552939 is an equidigital number, since it uses as much as digits as its factorization.

1144552939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345716.

The product of its digits is 194400, while the sum is 43.

The square root of 1144552939 is about 33831.2420552365. The cubic root of 1144552939 is about 1046.0327812980.

The spelling of 1144552939 in words is "one billion, one hundred forty-four million, five hundred fifty-two thousand, nine hundred thirty-nine".