144611644 has 12 divisors (see below), whose sum is σ = 254624104. Its totient is φ = 71861904.

The previous prime is 144611629. The next prime is 144611657. The reversal of 144611644 is 446116441.

It is a happy number.

144611644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110247 + ... + 111550.

Almost surely, 2^144611644 is an apocalyptic number.

It is an amenable number.

144611644 is a deficient number, since it is larger than the sum of its proper divisors (110012460).

144611644 is a wasteful number, since it uses less digits than its factorization.

144611644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221964 (or 221962 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 144611644 is about 12025.4581617500. The cubic root of 144611644 is about 524.8893420592.

The spelling of 144611644 in words is "one hundred forty-four million, six hundred eleven thousand, six hundred forty-four".