144531323622 has 128 divisors (see below), whose sum is σ = 401193492480. Its totient is φ = 37611786240.

The previous prime is 144531323557. The next prime is 144531323623. The reversal of 144531323622 is 226323135441.

144531323622 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 3 + 1 + 3 + 23 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144531323623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 163563 + ... + 561974.

It is an arithmetic number, because the mean of its divisors is an integer number (3134324160).

Almost surely, 2^144531323622 is an apocalyptic number.

144531323622 is an abundant number, since it is smaller than the sum of its proper divisors (256662168858).

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

144531323622 is a wasteful number, since it uses less digits than its factorization.

144531323622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725603 (or 725597 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 144531323622 in words is "one hundred forty-four billion, five hundred thirty-one million, three hundred twenty-three thousand, six hundred twenty-two".