144240817252 has 96 divisors (see below), whose sum is σ = 314716147200. Its totient is φ = 57615344640.

The previous prime is 144240817243. The next prime is 144240817261. The reversal of 144240817252 is 252718042441.

It is an interprime number because it is at equal distance from previous prime (144240817243) and next prime (144240817261).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2372352 + ... + 2432392.

It is an arithmetic number, because the mean of its divisors is an integer number (3278293200).

Almost surely, 2^144240817252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144240817252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157358073600).

144240817252 is an abundant number, since it is smaller than the sum of its proper divisors (170475329948).

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

144240817252 is a wasteful number, since it uses less digits than its factorization.

144240817252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60186 (or 60170 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

Adding to 144240817252 its reverse (252718042441), we get a palindrome (396958859693).

The spelling of 144240817252 in words is "one hundred forty-four billion, two hundred forty million, eight hundred seventeen thousand, two hundred fifty-two".