68303157 has 16 divisors (see below), whose sum is σ = 103239360. Its totient is φ = 39820032.

The previous prime is 68303141. The next prime is 68303159. The reversal of 68303157 is 75130386.

It is a happy number.

It is not a de Polignac number, because 68303157 - 2⁴ = 68303141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68303159) 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 in 15 ways as a sum of consecutive naturals, for example, 45348 + ... + 46829.

It is an arithmetic number, because the mean of its divisors is an integer number (6452460).

Almost surely, 2^68303157 is an apocalyptic number.

It is an amenable number.

68303157 is a deficient number, since it is larger than the sum of its proper divisors (34936203).

68303157 is a wasteful number, since it uses less digits than its factorization.

68303157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92212.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 68303157 is about 8264.5724027320. The cubic root of 68303157 is about 408.7711709896.

The spelling of 68303157 in words is "sixty-eight million, three hundred three thousand, one hundred fifty-seven".