144105712 has 20 divisors (see below), whose sum is σ = 279866016. Its totient is φ = 71882240.

The previous prime is 144105707. The next prime is 144105733. The reversal of 144105712 is 217501441.

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, 3553 + ... + 17344.

Almost surely, 2^144105712 is an apocalyptic number.

It is an amenable number.

144105712 is a deficient number, since it is larger than the sum of its proper divisors (135760304).

144105712 is a wasteful number, since it uses less digits than its factorization.

144105712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21336 (or 21330 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 144105712 is about 12004.4038585846. The cubic root of 144105712 is about 524.2765084937.

The spelling of 144105712 in words is "one hundred forty-four million, one hundred five thousand, seven hundred twelve".