144523422 has 48 divisors (see below), whose sum is σ = 319672080. Its totient is φ = 47177856.

The previous prime is 144523381. The next prime is 144523439. The reversal of 144523422 is 224325441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353154 + ... + 353562.

It is an arithmetic number, because the mean of its divisors is an integer number (6659835).

Almost surely, 2^144523422 is an apocalyptic number.

144523422 is an abundant number, since it is smaller than the sum of its proper divisors (175148658).

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

144523422 is a wasteful number, since it uses less digits than its factorization.

144523422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 774 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 144523422 is about 12021.7894674628. The cubic root of 144523422 is about 524.7825820821.

Adding to 144523422 its reverse (224325441), we get a palindrome (368848863).

The spelling of 144523422 in words is "one hundred forty-four million, five hundred twenty-three thousand, four hundred twenty-two".