143030402 has 8 divisors (see below), whose sum is σ = 214662396. Its totient is φ = 71476272.

The previous prime is 143030389. The next prime is 143030413. The reversal of 143030402 is 204030341.

It can be written as a sum of positive squares in 2 ways, for example, as 135745801 + 7284601 = 11651^2 + 2699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14633 + ... + 22364.

Almost surely, 2^143030402 is an apocalyptic number.

143030402 is a deficient number, since it is larger than the sum of its proper divisors (71631994).

143030402 is a wasteful number, since it uses less digits than its factorization.

143030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38932.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 143030402 is about 11959.5318470248. The cubic root of 143030402 is about 522.9692092520.

Adding to 143030402 its reverse (204030341), we get a palindrome (347060743).

The spelling of 143030402 in words is "one hundred forty-three million, thirty thousand, four hundred two".