143430918 has 16 divisors (see below), whose sum is σ = 287486976. Its totient is φ = 47706120.

The previous prime is 143430901. The next prime is 143430919. The reversal of 143430918 is 819034341.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143430919) 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, 23038 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (17967936).

Almost surely, 2^143430918 is an apocalyptic number.

143430918 is an abundant number, since it is smaller than the sum of its proper divisors (144056058).

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

143430918 is a wasteful number, since it uses less digits than its factorization.

143430918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52099.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 143430918 is about 11976.2647766322. The cubic root of 143430918 is about 523.4568965495.

The spelling of 143430918 in words is "one hundred forty-three million, four hundred thirty thousand, nine hundred eighteen".