143399492 has 6 divisors (see below), whose sum is σ = 250949118. Its totient is φ = 71699744.

The previous prime is 143399483. The next prime is 143399513. The reversal of 143399492 is 294993341.

143399492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83429956 + 59969536 = 9134^2 + 7744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17924933 + ... + 17924940.

It is an arithmetic number, because the mean of its divisors is an integer number (41824853).

Almost surely, 2^143399492 is an apocalyptic number.

It is an amenable number.

143399492 is a deficient number, since it is larger than the sum of its proper divisors (107549626).

143399492 is a wasteful number, since it uses less digits than its factorization.

143399492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35849877 (or 35849875 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 143399492 is about 11974.9526930172. The cubic root of 143399492 is about 523.4186636073.

The spelling of 143399492 in words is "one hundred forty-three million, three hundred ninety-nine thousand, four hundred ninety-two".