143147286 has 12 divisors (see below), whose sum is σ = 310152492. Its totient is φ = 47715756.

The previous prime is 143147231. The next prime is 143147287. The reversal of 143147286 is 682741341.

It is a super-2 number, since 2×143147286² = 40982290978331592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143147286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143147287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3976296 + ... + 3976331.

It is an arithmetic number, because the mean of its divisors is an integer number (25846041).

Almost surely, 2^143147286 is an apocalyptic number.

143147286 is an abundant number, since it is smaller than the sum of its proper divisors (167005206).

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

143147286 is a wasteful number, since it uses less digits than its factorization.

143147286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952635 (or 7952632 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 143147286 is about 11964.4174952231. The cubic root of 143147286 is about 523.1116267355. Note that the first 3 decimals are identical.

The spelling of 143147286 in words is "one hundred forty-three million, one hundred forty-seven thousand, two hundred eighty-six".