144211420 has 24 divisors (see below), whose sum is σ = 303584400. Its totient is φ = 57543552.

The previous prime is 144211409. The next prime is 144211429. The reversal of 144211420 is 24112441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144211429) 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, 225 + ... + 16984.

It is an arithmetic number, because the mean of its divisors is an integer number (12649350).

Almost surely, 2^144211420 is an apocalyptic number.

144211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144211420 is an abundant number, since it is smaller than the sum of its proper divisors (159372980).

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

144211420 is a wasteful number, since it uses less digits than its factorization.

144211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17637 (or 17635 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 144211420 is about 12008.8059356457. The cubic root of 144211420 is about 524.4046706021.

Adding to 144211420 its reverse (24112441), we get a palindrome (168323861).

The spelling of 144211420 in words is "one hundred forty-four million, two hundred eleven thousand, four hundred twenty".