144424132420 has 24 divisors (see below), whose sum is σ = 303343204248. Its totient is φ = 57759648000.

The previous prime is 144424132403. The next prime is 144424132439. The reversal of 144424132420 is 24231424441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81294554884 + 63129577536 = 285122^2 + 251256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506391 + ... + 738430.

It is an arithmetic number, because the mean of its divisors is an integer number (12639300177).

Almost surely, 2^144424132420 is an apocalyptic number.

144424132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144424132420 is an abundant number, since it is smaller than the sum of its proper divisors (158919071828).

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

144424132420 is a wasteful number, since it uses less digits than its factorization.

144424132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250631 (or 1250629 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 144424132420 its reverse (24231424441), we get a palindrome (168655556861).

The spelling of 144424132420 in words is "one hundred forty-four billion, four hundred twenty-four million, one hundred thirty-two thousand, four hundred twenty".