144431254115 has 16 divisors (see below), whose sum is σ = 178053573600. Its totient is φ = 112403777280.

The previous prime is 144431254049. The next prime is 144431254127. The reversal of 144431254115 is 511452134441.

It is not a de Polignac number, because 144431254115 - 2¹⁰ = 144431253091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937829 + ... + 1080918.

It is an arithmetic number, because the mean of its divisors is an integer number (11128348350).

Almost surely, 2^144431254115 is an apocalyptic number.

144431254115 is a deficient number, since it is larger than the sum of its proper divisors (33622319485).

144431254115 is a wasteful number, since it uses less digits than its factorization.

144431254115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019142.

The product of its digits is 38400, while the sum is 35.

Adding to 144431254115 its reverse (511452134441), we get a palindrome (655883388556).

The spelling of 144431254115 in words is "one hundred forty-four billion, four hundred thirty-one million, two hundred fifty-four thousand, one hundred fifteen".