144111544 has 16 divisors (see below), whose sum is σ = 270979920. Its totient is φ = 71850240.

The previous prime is 144111521. The next prime is 144111551. The reversal of 144111544 is 445111441.

It is a super-2 number, since 2×144111544² = 41536274228127872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22692 + ... + 28339.

It is an arithmetic number, because the mean of its divisors is an integer number (16936245).

Almost surely, 2^144111544 is an apocalyptic number.

It is an amenable number.

144111544 is a deficient number, since it is larger than the sum of its proper divisors (126868376).

144111544 is a wasteful number, since it uses less digits than its factorization.

144111544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51390 (or 51386 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 144111544 is about 12004.6467669815. The cubic root of 144111544 is about 524.2835809392.

Adding to 144111544 its reverse (445111441), we get a palindrome (589222985).

The spelling of 144111544 in words is "one hundred forty-four million, one hundred eleven thousand, five hundred forty-four".