30202143 has 8 divisors (see below), whose sum is σ = 40400256. Its totient is φ = 20069400.

The previous prime is 30202099. The next prime is 30202157. The reversal of 30202143 is 34120203.

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

It is not a de Polignac number, because 30202143 - 2¹⁴ = 30185759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202163) 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, 15253 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (5050032).

Almost surely, 2^30202143 is an apocalyptic number.

30202143 is a deficient number, since it is larger than the sum of its proper divisors (10198113).

30202143 is a wasteful number, since it uses less digits than its factorization.

30202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32685.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30202143 is about 5495.6476415433. The cubic root of 30202143 is about 311.4195837202.

Adding to 30202143 its reverse (34120203), we get a palindrome (64322346).

The spelling of 30202143 in words is "thirty million, two hundred two thousand, one hundred forty-three".