1144381519 has 2 divisors, whose sum is σ = 1144381520. Its totient is φ = 1144381518.

The previous prime is 1144381501. The next prime is 1144381541. The reversal of 1144381519 is 9151834411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144381519 - 2⁵ = 1144381487 is a prime.

It is a super-2 number, since 2×1144381519² = 2619218122057494722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144381559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572190759 + 572190760.

It is an arithmetic number, because the mean of its divisors is an integer number (572190760).

Almost surely, 2^1144381519 is an apocalyptic number.

1144381519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144381519 is an equidigital number, since it uses as much as digits as its factorization.

1144381519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 1144381519 is about 33828.7085032816. The cubic root of 1144381519 is about 1045.9805571541.

It can be divided in two parts, 1144381 and 519, that added together give a square (1144900 = 1070²).

The spelling of 1144381519 in words is "one billion, one hundred forty-four million, three hundred eighty-one thousand, five hundred nineteen".