144157928 has 32 divisors (see below), whose sum is σ = 285249600. Its totient is φ = 68162688.

The previous prime is 144157891. The next prime is 144157961. The reversal of 144157928 is 829751441.

144157928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11975 + ... + 20777.

It is an arithmetic number, because the mean of its divisors is an integer number (8914050).

Almost surely, 2^144157928 is an apocalyptic number.

It is an amenable number.

144157928 is a deficient number, since it is larger than the sum of its proper divisors (141091672).

144157928 is a wasteful number, since it uses less digits than its factorization.

144157928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921 (or 8917 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 144157928 is about 12006.5785301226. The cubic root of 144157928 is about 524.3398238567.

The spelling of 144157928 in words is "one hundred forty-four million, one hundred fifty-seven thousand, nine hundred twenty-eight".