144221042 has 32 divisors (see below), whose sum is σ = 254900352. Its totient is φ = 59906304.

The previous prime is 144221041. The next prime is 144221059. The reversal of 144221042 is 240122441.

It is not an unprimeable number, because it can be changed into a prime (144221041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223973 + ... + 224615.

It is an arithmetic number, because the mean of its divisors is an integer number (7965636).

Almost surely, 2^144221042 is an apocalyptic number.

144221042 is a deficient number, since it is larger than the sum of its proper divisors (110679310).

144221042 is a wasteful number, since it uses less digits than its factorization.

144221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144221042 is about 12009.2065516420. The cubic root of 144221042 is about 524.4163333620.

Adding to 144221042 its reverse (240122441), we get a palindrome (384343483).

The spelling of 144221042 in words is "one hundred forty-four million, two hundred twenty-one thousand, forty-two".