85145101 has 4 divisors (see below), whose sum is σ = 85377472. Its totient is φ = 84912732.

The previous prime is 85145063. The next prime is 85145119. The reversal of 85145101 is 10154158.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-85145101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85146101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115635 + ... + 116368.

It is an arithmetic number, because the mean of its divisors is an integer number (21344368).

Almost surely, 2^85145101 is an apocalyptic number.

It is an amenable number.

85145101 is a deficient number, since it is larger than the sum of its proper divisors (232371).

85145101 is a wasteful number, since it uses less digits than its factorization.

85145101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232370.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 85145101 is about 9227.4103084235. The cubic root of 85145101 is about 439.9330149405.

Adding to 85145101 its reverse (10154158), we get a palindrome (95299259).

The spelling of 85145101 in words is "eighty-five million, one hundred forty-five thousand, one hundred one".