143229900 has 72 divisors (see below), whose sum is σ = 452096064. Its totient is φ = 34721600.

The previous prime is 143229883. The next prime is 143229907. The reversal of 143229900 is 9922341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (143229907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18402 + ... + 25001.

It is an arithmetic number, because the mean of its divisors is an integer number (6279112).

Almost surely, 2^143229900 is an apocalyptic number.

143229900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143229900 is an abundant number, since it is smaller than the sum of its proper divisors (308866164).

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

143229900 is a wasteful number, since it uses less digits than its factorization.

143229900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43431 (or 43424 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 143229900 is about 11967.8694845825. The cubic root of 143229900 is about 523.2122411308.

The spelling of 143229900 in words is "one hundred forty-three million, two hundred twenty-nine thousand, nine hundred".