82112150 has 12 divisors (see below), whose sum is σ = 152728692. Its totient is φ = 32844840.

The previous prime is 82112131. The next prime is 82112153. The reversal of 82112150 is 5121128.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82112153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 821072 + ... + 821171.

It is an arithmetic number, because the mean of its divisors is an integer number (12727391).

Almost surely, 2^82112150 is an apocalyptic number.

82112150 is a deficient number, since it is larger than the sum of its proper divisors (70616542).

82112150 is a wasteful number, since it uses less digits than its factorization.

82112150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642255 (or 1642250 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 82112150 is about 9061.5754700825. The cubic root of 82112150 is about 434.6461207883.

Adding to 82112150 its reverse (5121128), we get a palindrome (87233278).

The spelling of 82112150 in words is "eighty-two million, one hundred twelve thousand, one hundred fifty".