68244142 has 4 divisors (see below), whose sum is σ = 102366216. Its totient is φ = 34122070.

The previous prime is 68244119. The next prime is 68244167. The reversal of 68244142 is 24144286.

It is a semiprime because it is the product of two primes.

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, 17061034 + ... + 17061037.

It is an arithmetic number, because the mean of its divisors is an integer number (25591554).

Almost surely, 2^68244142 is an apocalyptic number.

68244142 is a deficient number, since it is larger than the sum of its proper divisors (34122074).

68244142 is a wasteful number, since it uses less digits than its factorization.

68244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34122073.

The product of its digits is 12288, while the sum is 31.

The square root of 68244142 is about 8261.0012710325. The cubic root of 68244142 is about 408.6534088305.

It can be divided in two parts, 68244 and 142, that added together give a palindrome (68386).

The spelling of 68244142 in words is "sixty-eight million, two hundred forty-four thousand, one hundred forty-two".