144942875 has 72 divisors (see below), whose sum is σ = 233539488. Its totient is φ = 87912000.

The previous prime is 144942869. The next prime is 144942907. The reversal of 144942875 is 578249441.

144942875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144942875 - 2¹⁴ = 144926491 is a prime.

Its product of digits (322560) is a multiple of the sum of its prime divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3917357 + ... + 3917393.

It is an arithmetic number, because the mean of its divisors is an integer number (3243604).

Almost surely, 2^144942875 is an apocalyptic number.

144942875 is a deficient number, since it is larger than the sum of its proper divisors (88596613).

144942875 is an equidigital number, since it uses as much as digits as its factorization.

144942875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 60 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 144942875 is about 12039.2223586077. Note that the first 3 decimals coincide. The cubic root of 144942875 is about 525.2897871052.

Multiplying 144942875 by its product of digits (322560), we get a square (46752773760000 = 6837600²).

The spelling of 144942875 in words is "one hundred forty-four million, nine hundred forty-two thousand, eight hundred seventy-five".