144577968 has 20 divisors (see below), whose sum is σ = 373493208. Its totient is φ = 48192640.

The previous prime is 144577967. The next prime is 144578009. The reversal of 144577968 is 869775441.

It is a self number, because there is not a number n which added to its sum of digits gives 144577968.

It is not an unprimeable number, because it can be changed into a prime (144577967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505973 + ... + 1506068.

Almost surely, 2^144577968 is an apocalyptic number.

It is an amenable number.

144577968 is an abundant number, since it is smaller than the sum of its proper divisors (228915240).

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

144577968 is a wasteful number, since it uses less digits than its factorization.

144577968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012052 (or 3012046 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 144577968 is about 12024.0578840922. The cubic root of 144577968 is about 524.8485948891.

The spelling of 144577968 in words is "one hundred forty-four million, five hundred seventy-seven thousand, nine hundred sixty-eight".