144420521200 has 30 divisors (see below), whose sum is σ = 346970303144. Its totient is φ = 57768208320.

The previous prime is 144420521149. The next prime is 144420521213. The reversal of 144420521200 is 2125024441.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180525252 + ... + 180526051.

Almost surely, 2^144420521200 is an apocalyptic number.

144420521200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144420521200 is an abundant number, since it is smaller than the sum of its proper divisors (202549781944).

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

144420521200 is a wasteful number, since it uses less digits than its factorization.

144420521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361051321 (or 361051310 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 144420521200 its reverse (2125024441), we get a palindrome (146545545641).

The spelling of 144420521200 in words is "one hundred forty-four billion, four hundred twenty million, five hundred twenty-one thousand, two hundred".