143142040 has 64 divisors (see below), whose sum is σ = 343193760. Its totient is φ = 53544960.

The previous prime is 143142019. The next prime is 143142047. The reversal of 143142040 is 40241341.

It is a junction number, because it is equal to n+sod(n) for n = 143141999 and 143142017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143142047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122499 + ... + 123661.

Almost surely, 2^143142040 is an apocalyptic number.

143142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171596880).

143142040 is an abundant number, since it is smaller than the sum of its proper divisors (200051720).

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

143142040 is a wasteful number, since it uses less digits than its factorization.

143142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1368 counting only the distinct ones).

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

The square root of 143142040 is about 11964.1982598083. The cubic root of 143142040 is about 523.1052364011.

Adding to 143142040 its reverse (40241341), we get a palindrome (183383381).

The spelling of 143142040 in words is "one hundred forty-three million, one hundred forty-two thousand, forty".