144394922 has 16 divisors (see below), whose sum is σ = 248906112. Its totient is φ = 61540560.

The previous prime is 144394919. The next prime is 144394933. The reversal of 144394922 is 229493441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25958 + ... + 31025.

It is an arithmetic number, because the mean of its divisors is an integer number (15556632).

Almost surely, 2^144394922 is an apocalyptic number.

144394922 is a deficient number, since it is larger than the sum of its proper divisors (104511190).

144394922 is a wasteful number, since it uses less digits than its factorization.

144394922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57173.

The product of its digits is 62208, while the sum is 38.

The square root of 144394922 is about 12016.4438167038. The cubic root of 144394922 is about 524.6270027840.

The spelling of 144394922 in words is "one hundred forty-four million, three hundred ninety-four thousand, nine hundred twenty-two".