342434142 has 48 divisors (see below), whose sum is σ = 771891120. Its totient is φ = 113778432.

The previous prime is 342434129. The next prime is 342434161. The reversal of 342434142 is 241434243.

It is a happy number.

342434142 is a `hidden beast` number, since 3 + 4 + 243 + 414 + 2 = 666.

It is a super-2 number, since 2×342434142² = 234522283214552328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 180334 + ... + 182222.

It is an arithmetic number, because the mean of its divisors is an integer number (16081065).

Almost surely, 2^342434142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342434142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385945560).

342434142 is an abundant number, since it is smaller than the sum of its proper divisors (429456978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342434142 is a wasteful number, since it uses less digits than its factorization.

342434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2267 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 342434142 is about 18504.9761415680. The cubic root of 342434142 is about 699.6148507096.

Adding to 342434142 its reverse (241434243), we get a palindrome (583868385).

The spelling of 342434142 in words is "three hundred forty-two million, four hundred thirty-four thousand, one hundred forty-two".