430140142 has 4 divisors (see below), whose sum is σ = 645210216. Its totient is φ = 215070070.

The previous prime is 430140101. The next prime is 430140187. The reversal of 430140142 is 241041034.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 107535034 + ... + 107535037.

It is an arithmetic number, because the mean of its divisors is an integer number (161302554).

Almost surely, 2^430140142 is an apocalyptic number.

430140142 is a deficient number, since it is larger than the sum of its proper divisors (215070074).

430140142 is a wasteful number, since it uses less digits than its factorization.

430140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215070073.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 430140142 is about 20739.8202017279. The cubic root of 430140142 is about 754.8662201749.

Adding to 430140142 its reverse (241041034), we get a palindrome (671181176).

The spelling of 430140142 in words is "four hundred thirty million, one hundred forty thousand, one hundred forty-two".