30534142 has 8 divisors (see below), whose sum is σ = 48495456. Its totient is φ = 14368992.

The previous prime is 30534137. The next prime is 30534151. The reversal of 30534142 is 24143503.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 448998 + ... + 449065.

It is an arithmetic number, because the mean of its divisors is an integer number (6061932).

Almost surely, 2^30534142 is an apocalyptic number.

30534142 is a deficient number, since it is larger than the sum of its proper divisors (17961314).

30534142 is a wasteful number, since it uses less digits than its factorization.

30534142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898082.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30534142 is about 5525.7707154749. The cubic root of 30534142 is about 312.5565278008.

Adding to 30534142 its reverse (24143503), we get a palindrome (54677645).

The spelling of 30534142 in words is "thirty million, five hundred thirty-four thousand, one hundred forty-two".