144384472 has 16 divisors (see below), whose sum is σ = 271938240. Its totient is φ = 71867616.

The previous prime is 144384419. The next prime is 144384503. The reversal of 144384472 is 274483441.

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, 38683 + ... + 42250.

It is an arithmetic number, because the mean of its divisors is an integer number (16996140).

Almost surely, 2^144384472 is an apocalyptic number.

It is an amenable number.

144384472 is a deficient number, since it is larger than the sum of its proper divisors (127553768).

144384472 is a wasteful number, since it uses less digits than its factorization.

144384472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81162 (or 81158 counting only the distinct ones).

The product of its digits is 86016, while the sum is 37.

The square root of 144384472 is about 12016.0089880126. The cubic root of 144384472 is about 524.6143465576.

The spelling of 144384472 in words is "one hundred forty-four million, three hundred eighty-four thousand, four hundred seventy-two".