144299722 has 32 divisors (see below), whose sum is σ = 254298240. Its totient is φ = 60134400.

The previous prime is 144299717. The next prime is 144299767. The reversal of 144299722 is 227992441.

144299722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79222 + ... + 81022.

It is an arithmetic number, because the mean of its divisors is an integer number (7946820).

Almost surely, 2^144299722 is an apocalyptic number.

144299722 is a deficient number, since it is larger than the sum of its proper divisors (109998518).

144299722 is a wasteful number, since it uses less digits than its factorization.

144299722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its digits is 72576, while the sum is 40.

The square root of 144299722 is about 12012.4819250644. The cubic root of 144299722 is about 524.5116813904.

The spelling of 144299722 in words is "one hundred forty-four million, two hundred ninety-nine thousand, seven hundred twenty-two".