143132840 has 32 divisors (see below), whose sum is σ = 327333960. Its totient is φ = 56313600.

The previous prime is 143132839. The next prime is 143132863. The reversal of 143132840 is 48231341.

It can be written as a sum of positive squares in 4 ways, for example, as 39866596 + 103266244 = 6314^2 + 10162^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26891 + ... + 31770.

Almost surely, 2^143132840 is an apocalyptic number.

143132840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143132840 is an abundant number, since it is smaller than the sum of its proper divisors (184201120).

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

143132840 is a wasteful number, since it uses less digits than its factorization.

143132840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58733 (or 58729 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 143132840 is about 11963.8137732079. The cubic root of 143132840 is about 523.0940291851.

The spelling of 143132840 in words is "one hundred forty-three million, one hundred thirty-two thousand, eight hundred forty".