143222924 has 24 divisors (see below), whose sum is σ = 272453328. Its totient is φ = 65482560.

The previous prime is 143222921. The next prime is 143222927. The reversal of 143222924 is 429222341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143222921) and next prime (143222927).

It is not an unprimeable number, because it can be changed into a prime (143222921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7307 + ... + 18434.

It is an arithmetic number, because the mean of its divisors is an integer number (11352222).

Almost surely, 2^143222924 is an apocalyptic number.

It is an amenable number.

143222924 is a deficient number, since it is larger than the sum of its proper divisors (129230404).

143222924 is a wasteful number, since it uses less digits than its factorization.

143222924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25865 (or 25863 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 143222924 is about 11967.5780340050. The cubic root of 143222924 is about 523.2037466571.

The spelling of 143222924 in words is "one hundred forty-three million, two hundred twenty-two thousand, nine hundred twenty-four".