144369724 has 24 divisors (see below), whose sum is σ = 257801600. Its totient is φ = 70724016.

The previous prime is 144369707. The next prime is 144369749. The reversal of 144369724 is 427963441.

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 7 ways as a sum of consecutive naturals, for example, 51979 + ... + 54685.

Almost surely, 2^144369724 is an apocalyptic number.

It is an amenable number.

144369724 is a deficient number, since it is larger than the sum of its proper divisors (113431876).

144369724 is a wasteful number, since it uses less digits than its factorization.

144369724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977 (or 2975 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 144369724 is about 12015.3952910422. The cubic root of 144369724 is about 524.5964838893.

The spelling of 144369724 in words is "one hundred forty-four million, three hundred sixty-nine thousand, seven hundred twenty-four".