143099394 has 16 divisors (see below), whose sum is σ = 286886880. Its totient is φ = 47585120.

The previous prime is 143099381. The next prime is 143099413. The reversal of 143099394 is 493990341.

143099394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 25947 + ... + 30974.

It is an arithmetic number, because the mean of its divisors is an integer number (17930430).

Almost surely, 2^143099394 is an apocalyptic number.

143099394 is an abundant number, since it is smaller than the sum of its proper divisors (143787486).

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

143099394 is a wasteful number, since it uses less digits than its factorization.

143099394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57345.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 143099394 is about 11962.4158931213. The cubic root of 143099394 is about 523.0532820353.

The spelling of 143099394 in words is "one hundred forty-three million, ninety-nine thousand, three hundred ninety-four".