144035240 has 16 divisors (see below), whose sum is σ = 324079380. Its totient is φ = 57614080.

The previous prime is 144035239. The next prime is 144035263. The reversal of 144035240 is 42530441.

It can be written as a sum of positive squares in 2 ways, for example, as 143185156 + 850084 = 11966^2 + 922^2 .

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 3 ways as a sum of consecutive naturals, for example, 1800401 + ... + 1800480.

Almost surely, 2^144035240 is an apocalyptic number.

144035240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144035240 is an abundant number, since it is smaller than the sum of its proper divisors (180044140).

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

144035240 is a wasteful number, since it uses less digits than its factorization.

144035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600892 (or 3600888 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144035240 is about 12001.4682435109. The cubic root of 144035240 is about 524.1910322649.

Adding to 144035240 its reverse (42530441), we get a palindrome (186565681).

The spelling of 144035240 in words is "one hundred forty-four million, thirty-five thousand, two hundred forty".