17238142 has 4 divisors (see below), whose sum is σ = 25857216. Its totient is φ = 8619070.

The previous prime is 17238127. The next prime is 17238167. The reversal of 17238142 is 24183271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24183271 = 7 ⋅3454753.

It is a super-2 number, since 2×17238142² = 594307079224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17238142.

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 as a sum of consecutive naturals, namely, 4309534 + ... + 4309537.

It is an arithmetic number, because the mean of its divisors is an integer number (6464304).

Almost surely, 2^17238142 is an apocalyptic number.

17238142 is a deficient number, since it is larger than the sum of its proper divisors (8619074).

17238142 is an equidigital number, since it uses as much as digits as its factorization.

17238142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619073.

The product of its digits is 2688, while the sum is 28.

The square root of 17238142 is about 4151.8841505996. The cubic root of 17238142 is about 258.3232432641.

The spelling of 17238142 in words is "seventeen million, two hundred thirty-eight thousand, one hundred forty-two".