434005142 has 4 divisors (see below), whose sum is σ = 651007716. Its totient is φ = 217002570.

The previous prime is 434005141. The next prime is 434005157. The reversal of 434005142 is 241500434.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434005141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108501284 + ... + 108501287.

It is an arithmetic number, because the mean of its divisors is an integer number (162751929).

Almost surely, 2^434005142 is an apocalyptic number.

434005142 is a deficient number, since it is larger than the sum of its proper divisors (217002574).

434005142 is a wasteful number, since it uses less digits than its factorization.

434005142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217002573.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 434005142 is about 20832.7900675834. The cubic root of 434005142 is about 757.1204178978.

Adding to 434005142 its reverse (241500434), we get a palindrome (675505576).

The spelling of 434005142 in words is "four hundred thirty-four million, five thousand, one hundred forty-two".