1144417513 has 4 divisors (see below), whose sum is σ = 1163814480. Its totient is φ = 1125020548.

The previous prime is 1144417457. The next prime is 1144417541. The reversal of 1144417513 is 3157144411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144417513 is a prime.

It is a super-2 number, since 2×1144417513² = 2619382888122210338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144477513) 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, 9698395 + ... + 9698512.

It is an arithmetic number, because the mean of its divisors is an integer number (290953620).

Almost surely, 2^1144417513 is an apocalyptic number.

It is an amenable number.

1144417513 is a deficient number, since it is larger than the sum of its proper divisors (19396967).

1144417513 is an equidigital number, since it uses as much as digits as its factorization.

1144417513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19396966.

The product of its digits is 6720, while the sum is 31.

The square root of 1144417513 is about 33829.2405028549. The cubic root of 1144417513 is about 1045.9915233773.

The spelling of 1144417513 in words is "one billion, one hundred forty-four million, four hundred seventeen thousand, five hundred thirteen".