144266638 has 8 divisors (see below), whose sum is σ = 217024632. Its totient is φ = 71925096.

The previous prime is 144266621. The next prime is 144266651. The reversal of 144266638 is 836662441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144266638.

It is a congruent number.

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, 103245 + ... + 104632.

It is an arithmetic number, because the mean of its divisors is an integer number (27128079).

Almost surely, 2^144266638 is an apocalyptic number.

144266638 is a deficient number, since it is larger than the sum of its proper divisors (72757994).

144266638 is a wasteful number, since it uses less digits than its factorization.

144266638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208226.

The product of its digits is 165888, while the sum is 40.

The square root of 144266638 is about 12011.1047784956. The cubic root of 144266638 is about 524.4715929075.

The spelling of 144266638 in words is "one hundred forty-four million, two hundred sixty-six thousand, six hundred thirty-eight".