1144161559 has 2 divisors, whose sum is σ = 1144161560. Its totient is φ = 1144161558.

The previous prime is 1144161553. The next prime is 1144161569. The reversal of 1144161559 is 9551614411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144161559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144161553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572080779 + 572080780.

It is an arithmetic number, because the mean of its divisors is an integer number (572080780).

Almost surely, 2^1144161559 is an apocalyptic number.

1144161559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144161559 is an equidigital number, since it uses as much as digits as its factorization.

1144161559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 37.

The square root of 1144161559 is about 33825.4572622455. The cubic root of 1144161559 is about 1045.9135373646.

The spelling of 1144161559 in words is "one billion, one hundred forty-four million, one hundred sixty-one thousand, five hundred fifty-nine".