144300421401420 has 96 divisors (see below), whose sum is σ = 405216938649600. Its totient is φ = 38368182493440.

The previous prime is 144300421401377. The next prime is 144300421401449. The reversal of 144300421401420 is 24104124003441.

It is a happy number.

It is a super-2 number, since 2×144300421401420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 97536381 + ... + 99004779.

It is an arithmetic number, because the mean of its divisors is an integer number (4221009777600).

Almost surely, 2^{144300421401420} is an apocalyptic number.

144300421401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144300421401420 is an abundant number, since it is smaller than the sum of its proper divisors (260916517248180).

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

144300421401420 is a wasteful number, since it uses less digits than its factorization.

144300421401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473175 (or 1473173 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 144300421401420 its reverse (24104124003441), we get a palindrome (168404545404861).

The spelling of 144300421401420 in words is "one hundred forty-four trillion, three hundred billion, four hundred twenty-one million, four hundred one thousand, four hundred twenty".