1144740265 has 8 divisors (see below), whose sum is σ = 1373984640. Its totient is φ = 915594672.

The previous prime is 1144740251. The next prime is 1144740277. The reversal of 1144740265 is 5620474411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144740265 - 2⁹ = 1144739753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144740265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792 + ... + 47998.

It is an arithmetic number, because the mean of its divisors is an integer number (171748080).

Almost surely, 2^1144740265 is an apocalyptic number.

It is an amenable number.

1144740265 is a deficient number, since it is larger than the sum of its proper divisors (229244375).

1144740265 is an equidigital number, since it uses as much as digits as its factorization.

1144740265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49391.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1144740265 is about 33834.0104776244. The cubic root of 1144740265 is about 1046.0898453390.

The spelling of 1144740265 in words is "one billion, one hundred forty-four million, seven hundred forty thousand, two hundred sixty-five".