144420251320 has 32 divisors (see below), whose sum is σ = 324962403120. Its totient is φ = 57765107200.

The previous prime is 144420251309. The next prime is 144420251329. The reversal of 144420251320 is 23152024441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144420251329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791424 + ... + 956656.

Almost surely, 2^144420251320 is an apocalyptic number.

144420251320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144420251320 is an abundant number, since it is smaller than the sum of its proper divisors (180542151800).

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

144420251320 is a wasteful number, since it uses less digits than its factorization.

144420251320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187095 (or 187091 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 144420251320 its reverse (23152024441), we get a palindrome (167572275761).

The spelling of 144420251320 in words is "one hundred forty-four billion, four hundred twenty million, two hundred fifty-one thousand, three hundred twenty".