144452252 has 24 divisors (see below), whose sum is σ = 291021024. Its totient is φ = 61454592.

The previous prime is 144452239. The next prime is 144452279. The reversal of 144452252 is 252254441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14993 + ... + 22664.

It is an arithmetic number, because the mean of its divisors is an integer number (12125876).

Almost surely, 2^144452252 is an apocalyptic number.

It is an amenable number.

144452252 is an abundant number, since it is smaller than the sum of its proper divisors (146568772).

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

144452252 is a wasteful number, since it uses less digits than its factorization.

144452252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37805 (or 37803 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 144452252 is about 12018.8290611024. The cubic root of 144452252 is about 524.6964255540.

The spelling of 144452252 in words is "one hundred forty-four million, four hundred fifty-two thousand, two hundred fifty-two".