144040422 has 32 divisors (see below), whose sum is σ = 307750752. Its totient is φ = 44785664.

The previous prime is 144040399. The next prime is 144040433. The reversal of 144040422 is 224040441.

144040422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5278 + ... + 17774.

It is an arithmetic number, because the mean of its divisors is an integer number (9617211).

Almost surely, 2^144040422 is an apocalyptic number.

144040422 is an abundant number, since it is smaller than the sum of its proper divisors (163710330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144040422 is a wasteful number, since it uses less digits than its factorization.

144040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 144040422 is about 12001.6841318208. The cubic root of 144040422 is about 524.1973185167.

Adding to 144040422 its reverse (224040441), we get a palindrome (368080863).

The spelling of 144040422 in words is "one hundred forty-four million, forty thousand, four hundred twenty-two".