1144329997 has 2 divisors, whose sum is σ = 1144329998. Its totient is φ = 1144329996.

The previous prime is 1144329941. The next prime is 1144330037. The reversal of 1144329997 is 7999234411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836713476 + 307616521 = 28926^2 + 17539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144329997 - 2¹¹ = 1144327949 is a prime.

It is a super-2 number, since 2×1144329997² = 2618982284068040018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1144329997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144320997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572164998 + 572164999.

It is an arithmetic number, because the mean of its divisors is an integer number (572164999).

Almost surely, 2^1144329997 is an apocalyptic number.

It is an amenable number.

1144329997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144329997 is an equidigital number, since it uses as much as digits as its factorization.

1144329997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 1144329997 is about 33827.9469817487. The cubic root of 1144329997 is about 1045.9648596447.

The spelling of 1144329997 in words is "one billion, one hundred forty-four million, three hundred twenty-nine thousand, nine hundred ninety-seven".