85151157 has 24 divisors (see below), whose sum is σ = 140508864. Its totient is φ = 44913024.

The previous prime is 85151107. The next prime is 85151161. The reversal of 85151157 is 75115158.

It is not a de Polignac number, because 85151157 - 2⁶ = 85151093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85151107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8448 + ... + 15545.

It is an arithmetic number, because the mean of its divisors is an integer number (5854536).

Almost surely, 2^85151157 is an apocalyptic number.

It is an amenable number.

85151157 is a deficient number, since it is larger than the sum of its proper divisors (55357707).

85151157 is a wasteful number, since it uses less digits than its factorization.

85151157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24029 (or 24016 counting only the distinct ones).

The product of its digits is 7000, while the sum is 33.

The square root of 85151157 is about 9227.7384553313. The cubic root of 85151157 is about 439.9434448660.

The spelling of 85151157 in words is "eighty-five million, one hundred fifty-one thousand, one hundred fifty-seven".