143222124 has 24 divisors (see below), whose sum is σ = 334620720. Its totient is φ = 47678464.

The previous prime is 143222119. The next prime is 143222137. The reversal of 143222124 is 421222341.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 143222124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332 + ... + 17084.

It is an arithmetic number, because the mean of its divisors is an integer number (13942530).

Almost surely, 2^143222124 is an apocalyptic number.

It is an amenable number.

143222124 is an abundant number, since it is smaller than the sum of its proper divisors (191398596).

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

143222124 is a wasteful number, since it uses less digits than its factorization.

143222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15569 (or 15567 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 143222124 is about 11967.5446103200. The cubic root of 143222124 is about 523.2027725026.

Adding to 143222124 its reverse (421222341), we get a palindrome (564444465).

The spelling of 143222124 in words is "one hundred forty-three million, two hundred twenty-two thousand, one hundred twenty-four".