144415912 has 8 divisors (see below), whose sum is σ = 270779850. Its totient is φ = 72207952.

The previous prime is 144415907. The next prime is 144415927. The reversal of 144415912 is 219514441.

It can be written as a sum of positive squares in only one way, i.e., 138627076 + 5788836 = 11774^2 + 2406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025987 + ... + 9026002.

Almost surely, 2^144415912 is an apocalyptic number.

It is an amenable number.

144415912 is a deficient number, since it is larger than the sum of its proper divisors (126363938).

144415912 is a wasteful number, since it uses less digits than its factorization.

144415912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18051995 (or 18051991 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 144415912 is about 12017.3171714822. The cubic root of 144415912 is about 524.6524223927.

The spelling of 144415912 in words is "one hundred forty-four million, four hundred fifteen thousand, nine hundred twelve".