144419428 has 12 divisors (see below), whose sum is σ = 253629040. Its totient is φ = 71953992.

The previous prime is 144419393. The next prime is 144419453. The reversal of 144419428 is 824914441.

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 in 3 ways as a sum of consecutive naturals, for example, 62658 + ... + 64921.

Almost surely, 2^144419428 is an apocalyptic number.

It is an amenable number.

144419428 is a deficient number, since it is larger than the sum of its proper divisors (109209612).

144419428 is a wasteful number, since it uses less digits than its factorization.

144419428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127866 (or 127864 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 144419428 is about 12017.4634594826. The cubic root of 144419428 is about 524.6566801482.

The spelling of 144419428 in words is "one hundred forty-four million, four hundred nineteen thousand, four hundred twenty-eight".