144472724 has 12 divisors (see below), whose sum is σ = 275811648. Its totient is φ = 65669400.

The previous prime is 144472687. The next prime is 144472747. The reversal of 144472724 is 427274441.

It is a congruent number.

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, 1641692 + ... + 1641779.

It is an arithmetic number, because the mean of its divisors is an integer number (22984304).

Almost surely, 2^144472724 is an apocalyptic number.

It is an amenable number.

144472724 is a deficient number, since it is larger than the sum of its proper divisors (131338924).

144472724 is a wasteful number, since it uses less digits than its factorization.

144472724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283486 (or 3283484 counting only the distinct ones).

The product of its digits is 50176, while the sum is 35.

The square root of 144472724 is about 12019.6806945942. The cubic root of 144472724 is about 524.7212113170.

It can be divided in two parts, 14447 and 2724, that added together give a palindrome (17171).

The spelling of 144472724 in words is "one hundred forty-four million, four hundred seventy-two thousand, seven hundred twenty-four".