1144066275 has 60 divisors (see below), whose sum is σ = 2311906344. Its totient is φ = 554688000.

The previous prime is 1144066243. The next prime is 1144066279. The reversal of 1144066275 is 5726604411.

It is not a de Polignac number, because 1144066275 - 2⁵ = 1144066243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144066279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3406 + ... + 47955.

Almost surely, 2^1144066275 is an apocalyptic number.

1144066275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144066275 is an abundant number, since it is smaller than the sum of its proper divisors (1167840069).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144066275 is a wasteful number, since it uses less digits than its factorization.

1144066275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51394 (or 51380 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1144066275 is about 33824.0487671124. The cubic root of 1144066275 is about 1045.8845025395.

The spelling of 1144066275 in words is "one billion, one hundred forty-four million, sixty-six thousand, two hundred seventy-five".