68546144 has 12 divisors (see below), whose sum is σ = 134950284. Its totient is φ = 34273056.

The previous prime is 68546123. The next prime is 68546173. The reversal of 68546144 is 44164586.

It is a junction number, because it is equal to n+sod(n) for n = 68546098 and 68546107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071002 + ... + 1071065.

It is an arithmetic number, because the mean of its divisors is an integer number (11245857).

Almost surely, 2^68546144 is an apocalyptic number.

It is an amenable number.

68546144 is a deficient number, since it is larger than the sum of its proper divisors (66404140).

68546144 is a wasteful number, since it uses less digits than its factorization.

68546144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142077 (or 2142069 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 68546144 is about 8279.2598703024. The cubic root of 68546144 is about 409.2553288414.

The spelling of 68546144 in words is "sixty-eight million, five hundred forty-six thousand, one hundred forty-four".