82144146 has 32 divisors (see below), whose sum is σ = 188448768. Its totient is φ = 23383440.

The previous prime is 82144133. The next prime is 82144157. The reversal of 82144146 is 64144128.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8431 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (5889024).

Almost surely, 2^82144146 is an apocalyptic number.

82144146 is an abundant number, since it is smaller than the sum of its proper divisors (106304622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82144146 is a wasteful number, since it uses less digits than its factorization.

82144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206.

The product of its digits is 6144, while the sum is 30.

The square root of 82144146 is about 9063.3407747916. The cubic root of 82144146 is about 434.7025685099.

The spelling of 82144146 in words is "eighty-two million, one hundred forty-four thousand, one hundred forty-six".