30434142 has 16 divisors (see below), whose sum is σ = 60974352. Its totient is φ = 10127040.

The previous prime is 30434123. The next prime is 30434161. The reversal of 30434142 is 24143403.

It is an interprime number because it is at equal distance from previous prime (30434123) and next prime (30434161).

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 7 ways as a sum of consecutive naturals, for example, 409 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (3810897).

Almost surely, 2^30434142 is an apocalyptic number.

30434142 is an abundant number, since it is smaller than the sum of its proper divisors (30540210).

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

30434142 is a wasteful number, since it uses less digits than its factorization.

30434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30434142 is about 5516.7147832746. The cubic root of 30434142 is about 312.2149447516.

Adding to 30434142 its reverse (24143403), we get a palindrome (54577545).

The spelling of 30434142 in words is "thirty million, four hundred thirty-four thousand, one hundred forty-two".