85146157 has 2 divisors, whose sum is σ = 85146158. Its totient is φ = 85146156.

The previous prime is 85146151. The next prime is 85146197. The reversal of 85146157 is 75164158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 3316041 = 9046^2 + 1821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85146157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85146151) 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 as a sum of consecutive naturals, namely, 42573078 + 42573079.

It is an arithmetic number, because the mean of its divisors is an integer number (42573079).

Almost surely, 2^85146157 is an apocalyptic number.

It is an amenable number.

85146157 is a deficient number, since it is larger than the sum of its proper divisors (1).

85146157 is an equidigital number, since it uses as much as digits as its factorization.

85146157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 37.

The square root of 85146157 is about 9227.4675290678. The cubic root of 85146157 is about 439.9348336686.

The spelling of 85146157 in words is "eighty-five million, one hundred forty-six thousand, one hundred fifty-seven".