144437572 has 12 divisors (see below), whose sum is σ = 256326336. Its totient is φ = 71201480.

The previous prime is 144437567. The next prime is 144437597. The reversal of 144437572 is 275734441.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 254008 + ... + 254575.

It is an arithmetic number, because the mean of its divisors is an integer number (21360528).

Almost surely, 2^144437572 is an apocalyptic number.

It is an amenable number.

144437572 is a deficient number, since it is larger than the sum of its proper divisors (111888764).

144437572 is a wasteful number, since it uses less digits than its factorization.

144437572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508658 (or 508656 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 144437572 is about 12018.2183371746. The cubic root of 144437572 is about 524.6786508122.

The spelling of 144437572 in words is "one hundred forty-four million, four hundred thirty-seven thousand, five hundred seventy-two".