144642173211 has 12 divisors (see below), whose sum is σ = 209063007088. Its totient is φ = 96365612304.

The previous prime is 144642173201. The next prime is 144642173251. The reversal of 144642173211 is 112371246441.

144642173211 is a `hidden beast` number, since 1 + 4 + 4 + 642 + 1 + 7 + 3 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 144642173211 - 2⁷ = 144642173083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144642173201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5193940 + ... + 5221713.

Almost surely, 2^144642173211 is an apocalyptic number.

144642173211 is a deficient number, since it is larger than the sum of its proper divisors (64420833877).

144642173211 is a wasteful number, since it uses less digits than its factorization.

144642173211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417202 (or 10417199 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The spelling of 144642173211 in words is "one hundred forty-four billion, six hundred forty-two million, one hundred seventy-three thousand, two hundred eleven".