144343240 has 32 divisors (see below), whose sum is σ = 325124280. Its totient is φ = 57674752.

The previous prime is 144343229. The next prime is 144343271. The reversal of 144343240 is 42343441.

It can be written as a sum of positive squares in 4 ways, for example, as 143856036 + 487204 = 11994^2 + 698^2 .

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, 58512 + ... + 60928.

Almost surely, 2^144343240 is an apocalyptic number.

144343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144343240 is an abundant number, since it is smaller than the sum of its proper divisors (180781040).

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

144343240 is a wasteful number, since it uses less digits than its factorization.

144343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921 (or 3917 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 144343240 is about 12014.2931544057. The cubic root of 144343240 is about 524.5644036106.

Adding to 144343240 its reverse (42343441), we get a palindrome (186686681).

The spelling of 144343240 in words is "one hundred forty-four million, three hundred forty-three thousand, two hundred forty".