68425142 has 4 divisors (see below), whose sum is σ = 102637716. Its totient is φ = 34212570.

The previous prime is 68425141. The next prime is 68425151. The reversal of 68425142 is 24152486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24152486 = 2 ⋅12076243.

It is a junction number, because it is equal to n+sod(n) for n = 68425099 and 68425108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68425141) by changing a digit.

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, 17106284 + ... + 17106287.

It is an arithmetic number, because the mean of its divisors is an integer number (25659429).

Almost surely, 2^68425142 is an apocalyptic number.

68425142 is a deficient number, since it is larger than the sum of its proper divisors (34212574).

68425142 is a wasteful number, since it uses less digits than its factorization.

68425142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34212573.

The product of its digits is 15360, while the sum is 32.

The square root of 68425142 is about 8271.9491052593. The cubic root of 68425142 is about 409.0143725160.

The spelling of 68425142 in words is "sixty-eight million, four hundred twenty-five thousand, one hundred forty-two".