68000157 has 48 divisors (see below), whose sum is σ = 106666560. Its totient is φ = 41658624.

The previous prime is 68000147. The next prime is 68000161. The reversal of 68000157 is 75100086.

It is not a de Polignac number, because 68000157 - 2¹¹ = 67998109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68000157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68000137) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 819238 + ... + 819320.

It is an arithmetic number, because the mean of its divisors is an integer number (2222220).

Almost surely, 2^68000157 is an apocalyptic number.

It is an amenable number.

68000157 is a deficient number, since it is larger than the sum of its proper divisors (38666403).

68000157 is a wasteful number, since it uses less digits than its factorization.

68000157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 68000157 is about 8246.2207707531. The cubic root of 68000157 is about 408.1658243189.

The spelling of 68000157 in words is "sixty-eight million, one hundred fifty-seven", and thus it is an aban number.