143389602 has 40 divisors (see below), whose sum is σ = 323001756. Its totient is φ = 47543328.

The previous prime is 143389579. The next prime is 143389627. The reversal of 143389602 is 206983341.

143389602 is a `hidden beast` number, since 1 + 43 + 3 + 8 + 9 + 602 = 666.

143389602 is digitally balanced in base 2, 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 2 ways, for example, as 86099841 + 57289761 = 9279^2 + 7569^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29668 + ... + 34160.

Almost surely, 2^143389602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143389602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161500878).

143389602 is an abundant number, since it is smaller than the sum of its proper divisors (179612154).

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

143389602 is a wasteful number, since it uses less digits than its factorization.

143389602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704 (or 4695 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 143389602 is about 11974.5397406330. The cubic root of 143389602 is about 523.4066302555.

The spelling of 143389602 in words is "one hundred forty-three million, three hundred eighty-nine thousand, six hundred two".