144744044 has 12 divisors (see below), whose sum is σ = 253652784. Its totient is φ = 72271824.

The previous prime is 144744013. The next prime is 144744121. The reversal of 144744044 is 440447441.

It is a self number, because there is not a number n which added to its sum of digits gives 144744044.

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, 21752 + ... + 27615.

It is an arithmetic number, because the mean of its divisors is an integer number (21137732).

Almost surely, 2^144744044 is an apocalyptic number.

It is an amenable number.

144744044 is a deficient number, since it is larger than the sum of its proper divisors (108908740).

144744044 is a wasteful number, since it uses less digits than its factorization.

144744044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50104 (or 50102 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 32.

The square root of 144744044 is about 12030.9618900568. The cubic root of 144744044 is about 525.0494816551.

The spelling of 144744044 in words is "one hundred forty-four million, seven hundred forty-four thousand, forty-four".