82253145 has 48 divisors (see below), whose sum is σ = 144830592. Its totient is φ = 39836160.

The previous prime is 82253131. The next prime is 82253161. The reversal of 82253145 is 54135228.

It is not a de Polignac number, because 82253145 - 2²⁰ = 81204569 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179757 + ... + 180213.

It is an arithmetic number, because the mean of its divisors is an integer number (3017304).

Almost surely, 2^82253145 is an apocalyptic number.

It is an amenable number.

82253145 is a deficient number, since it is larger than the sum of its proper divisors (62577447).

82253145 is a wasteful number, since it uses less digits than its factorization.

82253145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 549 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 82253145 is about 9069.3519614138. The cubic root of 82253145 is about 434.8947558842.

The spelling of 82253145 in words is "eighty-two million, two hundred fifty-three thousand, one hundred forty-five".