144578725 has 12 divisors (see below), whose sum is σ = 180469600. Its totient is φ = 114894000.

The previous prime is 144578719. The next prime is 144578741. The reversal of 144578725 is 527875441.

It is not a de Polignac number, because 144578725 - 2¹⁹ = 144054437 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15375 + ... + 22924.

Almost surely, 2^144578725 is an apocalyptic number.

It is an amenable number.

144578725 is a deficient number, since it is larger than the sum of its proper divisors (35890875).

144578725 is a wasteful number, since it uses less digits than its factorization.

144578725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38460 (or 38455 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 144578725 is about 12024.0893626087. The cubic root of 144578725 is about 524.8495109109.

The spelling of 144578725 in words is "one hundred forty-four million, five hundred seventy-eight thousand, seven hundred twenty-five".