143041240 has 16 divisors (see below), whose sum is σ = 321842880. Its totient is φ = 57216480.

The previous prime is 143041231. The next prime is 143041259. The reversal of 143041240 is 42140341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787976 + ... + 1788055.

It is an arithmetic number, because the mean of its divisors is an integer number (20115180).

Almost surely, 2^143041240 is an apocalyptic number.

143041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143041240 is an abundant number, since it is smaller than the sum of its proper divisors (178801640).

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

143041240 is a wasteful number, since it uses less digits than its factorization.

143041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576042 (or 3576038 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143041240 is about 11959.9849498233. The cubic root of 143041240 is about 522.9824180922.

Adding to 143041240 its reverse (42140341), we get a palindrome (185181581).

The spelling of 143041240 in words is "one hundred forty-three million, forty-one thousand, two hundred forty".