144214402420 has 48 divisors (see below), whose sum is σ = 330422678208. Its totient is φ = 52435157760.

The previous prime is 144214402417. The next prime is 144214402421. The reversal of 144214402420 is 24204412441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144214402421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1985464 + ... + 2056816.

It is an arithmetic number, because the mean of its divisors is an integer number (6883805796).

Almost surely, 2^144214402420 is an apocalyptic number.

144214402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144214402420 is an abundant number, since it is smaller than the sum of its proper divisors (186208275788).

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

144214402420 is a wasteful number, since it uses less digits than its factorization.

144214402420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80560 (or 80558 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 144214402420 its reverse (24204412441), we get a palindrome (168418814861).

The spelling of 144214402420 in words is "one hundred forty-four billion, two hundred fourteen million, four hundred two thousand, four hundred twenty".