17158042 has 12 divisors (see below), whose sum is σ = 28289898. Its totient is φ = 7799000.

The previous prime is 17157991. The next prime is 17158051. The reversal of 17158042 is 24085171.

It can be written as a sum of positive squares in only one way, i.e., 10246401 + 6911641 = 3201^2 + 2629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17158042.

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 5 ways as a sum of consecutive naturals, for example, 35209 + ... + 35692.

Almost surely, 2^17158042 is an apocalyptic number.

17158042 is a deficient number, since it is larger than the sum of its proper divisors (11131856).

17158042 is a wasteful number, since it uses less digits than its factorization.

17158042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70925 (or 70914 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 17158042 is about 4142.2266958726. The cubic root of 17158042 is about 257.9225074240.

The spelling of 17158042 in words is "seventeen million, one hundred fifty-eight thousand, forty-two".