34142985 has 16 divisors (see below), whose sum is σ = 60698880. Its totient is φ = 18209520.

The previous prime is 34142959. The next prime is 34142993. The reversal of 34142985 is 58924143.

It is not a de Polignac number, because 34142985 - 2⁶ = 34142921 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126321 + ... + 126590.

It is an arithmetic number, because the mean of its divisors is an integer number (3793680).

Almost surely, 2^34142985 is an apocalyptic number.

It is an amenable number.

34142985 is a deficient number, since it is larger than the sum of its proper divisors (26555895).

34142985 is a wasteful number, since it uses less digits than its factorization.

34142985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252925 (or 252919 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 34142985 is about 5843.1998938938. The cubic root of 34142985 is about 324.4146782296.

The spelling of 34142985 in words is "thirty-four million, one hundred forty-two thousand, nine hundred eighty-five".