144117572 has 12 divisors (see below), whose sum is σ = 252557760. Its totient is φ = 71958216.

The previous prime is 144117503. The next prime is 144117577. The reversal of 144117572 is 275711441.

It is not an unprimeable number, because it can be changed into a prime (144117577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21872 + ... + 27687.

It is an arithmetic number, because the mean of its divisors is an integer number (21046480).

Almost surely, 2^144117572 is an apocalyptic number.

It is an amenable number.

144117572 is a deficient number, since it is larger than the sum of its proper divisors (108440188).

144117572 is a wasteful number, since it uses less digits than its factorization.

144117572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50290 (or 50288 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 144117572 is about 12004.8978338010. The cubic root of 144117572 is about 524.2908908726.

The spelling of 144117572 in words is "one hundred forty-four million, one hundred seventeen thousand, five hundred seventy-two".