143340426 has 24 divisors (see below), whose sum is σ = 311563044. Its totient is φ = 47627520.

The previous prime is 143340401. The next prime is 143340433. The reversal of 143340426 is 624043341.

It can be written as a sum of positive squares in 2 ways, for example, as 131125401 + 12215025 = 11451^2 + 3495^2 .

It is a super-2 number, since 2×143340426² = 41092955451722952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143340426.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6855 + ... + 18266.

Almost surely, 2^143340426 is an apocalyptic number.

143340426 is an abundant number, since it is smaller than the sum of its proper divisors (168222618).

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

143340426 is a wasteful number, since it uses less digits than its factorization.

143340426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25446 (or 25443 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 143340426 is about 11972.4862079687. The cubic root of 143340426 is about 523.3467886606.

Adding to 143340426 its reverse (624043341), we get a palindrome (767383767).

The spelling of 143340426 in words is "one hundred forty-three million, three hundred forty thousand, four hundred twenty-six".