142424210 has 8 divisors (see below), whose sum is σ = 256363596. Its totient is φ = 56969680.

The previous prime is 142424189. The next prime is 142424263. The reversal of 142424210 is 12424241.

It can be written as a sum of positive squares in 2 ways, for example, as 132733441 + 9690769 = 11521^2 + 3113^2 .

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

It is an unprimeable number.

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, 7121201 + ... + 7121220.

Almost surely, 2^142424210 is an apocalyptic number.

142424210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142424210 is a deficient number, since it is larger than the sum of its proper divisors (113939386).

142424210 is a wasteful number, since it uses less digits than its factorization.

142424210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242428.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142424210 is about 11934.1614703338. The cubic root of 142424210 is about 522.2293463307.

Adding to 142424210 its reverse (12424241), we get a palindrome (154848451).

The spelling of 142424210 in words is "one hundred forty-two million, four hundred twenty-four thousand, two hundred ten".