144043240 has 48 divisors (see below), whose sum is σ = 356251140. Its totient is φ = 52377600.

The previous prime is 144043231. The next prime is 144043253. The reversal of 144043240 is 42340441.

144043240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134420836 + 9622404 = 11594^2 + 3102^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10041 + ... + 19720.

Almost surely, 2^144043240 is an apocalyptic number.

144043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144043240 is an abundant number, since it is smaller than the sum of its proper divisors (212207900).

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

144043240 is a wasteful number, since it uses less digits than its factorization.

144043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29794 (or 29779 counting only the distinct ones).

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

The square root of 144043240 is about 12001.8015314369. The cubic root of 144043240 is about 524.2007369516.

Adding to 144043240 its reverse (42340441), we get a palindrome (186383681).

The spelling of 144043240 in words is "one hundred forty-four million, forty-three thousand, two hundred forty".