144034420 has 24 divisors (see below), whose sum is σ = 307433448. Its totient is φ = 56668800.

The previous prime is 144034417. The next prime is 144034439. The reversal of 144034420 is 24430441.

It can be written as a sum of positive squares in 4 ways, for example, as 7518564 + 136515856 = 2742^2 + 11684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144034391 and 144034400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57811 + ... + 60250.

It is an arithmetic number, because the mean of its divisors is an integer number (12809727).

Almost surely, 2^144034420 is an apocalyptic number.

144034420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144034420 is an abundant number, since it is smaller than the sum of its proper divisors (163399028).

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

144034420 is a wasteful number, since it uses less digits than its factorization.

144034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118131 (or 118129 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144034420 is about 12001.4340809755. The cubic root of 144034420 is about 524.1900375142.

Adding to 144034420 its reverse (24430441), we get a palindrome (168464861).

The spelling of 144034420 in words is "one hundred forty-four million, thirty-four thousand, four hundred twenty".