210142430 has 8 divisors (see below), whose sum is σ = 378256392. Its totient is φ = 84056968.

The previous prime is 210142411. The next prime is 210142433. The reversal of 210142430 is 34241012.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210142399 and 210142408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210142433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10507112 + ... + 10507131.

It is an arithmetic number, because the mean of its divisors is an integer number (47282049).

Almost surely, 2^210142430 is an apocalyptic number.

210142430 is a deficient number, since it is larger than the sum of its proper divisors (168113962).

210142430 is a wasteful number, since it uses less digits than its factorization.

210142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21014250.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210142430 is about 14496.2902150861. The cubic root of 210142430 is about 594.5265447174.

Adding to 210142430 its reverse (34241012), we get a palindrome (244383442).

The spelling of 210142430 in words is "two hundred ten million, one hundred forty-two thousand, four hundred thirty".