424434142 has 8 divisors (see below), whose sum is σ = 694528632. Its totient is φ = 192924600.

The previous prime is 424434133. The next prime is 424434149. The reversal of 424434142 is 241434424.

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

It is a self number, because there is not a number n which added to its sum of digits gives 424434142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424434149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9646209 + ... + 9646252.

It is an arithmetic number, because the mean of its divisors is an integer number (86816079).

Almost surely, 2^424434142 is an apocalyptic number.

424434142 is a deficient number, since it is larger than the sum of its proper divisors (270094490).

424434142 is a wasteful number, since it uses less digits than its factorization.

424434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292474.

The product of its digits is 12288, while the sum is 28.

The square root of 424434142 is about 20601.7994845111. The cubic root of 424434142 is about 751.5134724066.

Adding to 424434142 its reverse (241434424), we get a palindrome (665868566).

The spelling of 424434142 in words is "four hundred twenty-four million, four hundred thirty-four thousand, one hundred forty-two".