144215788 has 12 divisors (see below), whose sum is σ = 259198912. Its totient is φ = 70158960.

The previous prime is 144215639. The next prime is 144215791. The reversal of 144215788 is 887512441.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144215788.

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, 487068 + ... + 487363.

Almost surely, 2^144215788 is an apocalyptic number.

It is an amenable number.

144215788 is a deficient number, since it is larger than the sum of its proper divisors (114983124).

144215788 is a wasteful number, since it uses less digits than its factorization.

144215788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974472 (or 974470 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 144215788 is about 12008.9878008099. The cubic root of 144215788 is about 524.4099650891.

The spelling of 144215788 in words is "one hundred forty-four million, two hundred fifteen thousand, seven hundred eighty-eight".