142434201 has 64 divisors (see below), whose sum is σ = 245145600. Its totient is φ = 71559936.

The previous prime is 142434199. The next prime is 142434209. The reversal of 142434201 is 102434241.

It is not a de Polignac number, because 142434201 - 2¹ = 142434199 is a prime.

It is a super-2 number, since 2×142434201² = 40575003229016802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142434209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595840 + ... + 596078.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2^142434201 is an apocalyptic number.

It is an amenable number.

142434201 is a deficient number, since it is larger than the sum of its proper divisors (102711399).

142434201 is a wasteful number, since it uses less digits than its factorization.

142434201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142434201 is about 11934.5800512628. The cubic root of 142434201 is about 522.2415574368.

Adding to 142434201 its reverse (102434241), we get a palindrome (244868442).

The spelling of 142434201 in words is "one hundred forty-two million, four hundred thirty-four thousand, two hundred one".