1144316651 has 4 divisors (see below), whose sum is σ = 1161396072. Its totient is φ = 1127237232.

The previous prime is 1144316647. The next prime is 1144316653. The reversal of 1144316651 is 1566134411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1566134411 = 34613 ⋅45247.

It is a cyclic number.

It is not a de Polignac number, because 1144316651 - 2² = 1144316647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144316653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539610 + ... + 8539743.

It is an arithmetic number, because the mean of its divisors is an integer number (290349018).

Almost surely, 2^1144316651 is an apocalyptic number.

1144316651 is a deficient number, since it is larger than the sum of its proper divisors (17079421).

1144316651 is an equidigital number, since it uses as much as digits as its factorization.

1144316651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17079420.

The product of its digits is 8640, while the sum is 32.

The square root of 1144316651 is about 33827.7497182417. The cubic root of 1144316651 is about 1045.9607933639.

The spelling of 1144316651 in words is "one billion, one hundred forty-four million, three hundred sixteen thousand, six hundred fifty-one".