85149101 has 4 divisors (see below), whose sum is σ = 86960832. Its totient is φ = 83337372.

The previous prime is 85149067. The next prime is 85149109. The reversal of 85149101 is 10194158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85149101 - 2¹⁴ = 85132717 is a prime.

It is a super-2 number, since 2×85149101² = 14500738802216402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85149109) 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 3 ways as a sum of consecutive naturals, for example, 905795 + ... + 905888.

It is an arithmetic number, because the mean of its divisors is an integer number (21740208).

Almost surely, 2^85149101 is an apocalyptic number.

It is an amenable number.

85149101 is a deficient number, since it is larger than the sum of its proper divisors (1811731).

85149101 is a wasteful number, since it uses less digits than its factorization.

85149101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811730.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 85149101 is about 9227.6270514147. The cubic root of 85149101 is about 439.9399039824.

The spelling of 85149101 in words is "eighty-five million, one hundred forty-nine thousand, one hundred one".