144331404525 has 144 divisors (see below), whose sum is σ = 333072432000. Its totient is φ = 59981644800.

The previous prime is 144331404499. The next prime is 144331404533. The reversal of 144331404525 is 525404133441.

It is not a de Polignac number, because 144331404525 - 2⁶ = 144331404461 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144331404525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 445501 + ... + 697949.

It is an arithmetic number, because the mean of its divisors is an integer number (2313003000).

Almost surely, 2^144331404525 is an apocalyptic number.

144331404525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144331404525 is an abundant number, since it is smaller than the sum of its proper divisors (188741027475).

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

144331404525 is a wasteful number, since it uses less digits than its factorization.

144331404525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252497 (or 252475 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 144331404525 its reverse (525404133441), we get a palindrome (669735537966).

The spelling of 144331404525 in words is "one hundred forty-four billion, three hundred thirty-one million, four hundred four thousand, five hundred twenty-five".