144668885 has 16 divisors (see below), whose sum is σ = 177050880. Its totient is φ = 113448000.

The previous prime is 144668863. The next prime is 144668893. The reversal of 144668885 is 588866441.

It is not a de Polignac number, because 144668885 - 2¹⁸ = 144406741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192260 + ... + 193010.

It is an arithmetic number, because the mean of its divisors is an integer number (11065680).

Almost surely, 2^144668885 is an apocalyptic number.

It is an amenable number.

144668885 is a deficient number, since it is larger than the sum of its proper divisors (32381995).

144668885 is an equidigital number, since it uses as much as digits as its factorization.

144668885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its digits is 1474560, while the sum is 50.

The square root of 144668885 is about 12027.8379187616. The cubic root of 144668885 is about 524.9585878144.

The spelling of 144668885 in words is "one hundred forty-four million, six hundred sixty-eight thousand, eight hundred eighty-five".