1144324450431 has 28 divisors (see below), whose sum is σ = 1715840278960. Its totient is φ = 762821400960.

The previous prime is 1144324450351. The next prime is 1144324450433. The reversal of 1144324450431 is 1340544234411.

It is a happy number.

1144324450431 is a `hidden beast` number, since 1 + 144 + 3 + 2 + 4 + 4 + 504 + 3 + 1 = 666.

It is not a de Polignac number, because 1144324450431 - 2¹⁹ = 1144323926143 is a prime.

It is a super-2 number, since 2×1144324450431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144324450433) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10092030 + ... + 10204788.

Almost surely, 2^{1144324450431} is an apocalyptic number.

1144324450431 is a deficient number, since it is larger than the sum of its proper divisors (571515828529).

1144324450431 is an equidigital number, since it uses as much as digits as its factorization.

1144324450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126698 (or 126683 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 1144324450431 its reverse (1340544234411), we get a palindrome (2484868684842).

The spelling of 1144324450431 in words is "one trillion, one hundred forty-four billion, three hundred twenty-four million, four hundred fifty thousand, four hundred thirty-one".