85151246 has 4 divisors (see below), whose sum is σ = 127726872. Its totient is φ = 42575622.

The previous prime is 85151243. The next prime is 85151251. The reversal of 85151246 is 64215158.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85151243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21287810 + ... + 21287813.

It is an arithmetic number, because the mean of its divisors is an integer number (31931718).

Almost surely, 2^85151246 is an apocalyptic number.

85151246 is a deficient number, since it is larger than the sum of its proper divisors (42575626).

85151246 is a wasteful number, since it uses less digits than its factorization.

85151246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42575625.

The product of its digits is 9600, while the sum is 32.

The square root of 85151246 is about 9227.7432777467. The cubic root of 85151246 is about 439.9435981423.

The spelling of 85151246 in words is "eighty-five million, one hundred fifty-one thousand, two hundred forty-six".