34520142 has 32 divisors (see below), whose sum is σ = 71736192. Its totient is φ = 11065824.

The previous prime is 34520107. The next prime is 34520159. The reversal of 34520142 is 24102543.

34520142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 16288 + ... + 18284.

It is an arithmetic number, because the mean of its divisors is an integer number (2241756).

Almost surely, 2^34520142 is an apocalyptic number.

34520142 is an abundant number, since it is smaller than the sum of its proper divisors (37216050).

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

34520142 is a wasteful number, since it uses less digits than its factorization.

34520142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 34520142 is about 5875.3844129555. The cubic root of 34520142 is about 325.6048444586.

Adding to 34520142 its reverse (24102543), we get a palindrome (58622685).

The spelling of 34520142 in words is "thirty-four million, five hundred twenty thousand, one hundred forty-two".