1144626275 has 12 divisors (see below), whose sum is σ = 1528516752. Its totient is φ = 845262240.

The previous prime is 1144626239. The next prime is 1144626277. The reversal of 1144626275 is 5726264411.

It is a happy number.

It is not a de Polignac number, because 1144626275 - 2¹⁴ = 1144609891 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144626277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1760639 + ... + 1761288.

It is an arithmetic number, because the mean of its divisors is an integer number (127376396).

Almost surely, 2^1144626275 is an apocalyptic number.

1144626275 is a deficient number, since it is larger than the sum of its proper divisors (383890477).

1144626275 is a wasteful number, since it uses less digits than its factorization.

1144626275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521950 (or 3521945 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 1144626275 is about 33832.3258881207. The cubic root of 1144626275 is about 1046.0551219631.

The spelling of 1144626275 in words is "one billion, one hundred forty-four million, six hundred twenty-six thousand, two hundred seventy-five".