144373728 has 48 divisors (see below), whose sum is σ = 380010960. Its totient is φ = 47993856.

The previous prime is 144373717. The next prime is 144373771. The reversal of 144373728 is 827373441.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37426 + ... + 41102.

It is an arithmetic number, because the mean of its divisors is an integer number (7916895).

Almost surely, 2^144373728 is an apocalyptic number.

It is an amenable number.

144373728 is an abundant number, since it is smaller than the sum of its proper divisors (235637232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144373728 is a wasteful number, since it uses less digits than its factorization.

144373728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4091 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 144373728 is about 12015.5619094573. The cubic root of 144373728 is about 524.6013336247.

The spelling of 144373728 in words is "one hundred forty-four million, three hundred seventy-three thousand, seven hundred twenty-eight".