82152345 has 24 divisors (see below), whose sum is σ = 144482688. Its totient is φ = 39830560.

The previous prime is 82152341. The next prime is 82152359. The reversal of 82152345 is 54325128.

It is not a de Polignac number, because 82152345 - 2² = 82152341 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82152341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20817 + ... + 24446.

It is an arithmetic number, because the mean of its divisors is an integer number (6020112).

Almost surely, 2^82152345 is an apocalyptic number.

It is an amenable number.

82152345 is a deficient number, since it is larger than the sum of its proper divisors (62330343).

82152345 is a wasteful number, since it uses less digits than its factorization.

82152345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45293 (or 45282 counting only the distinct ones).

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

The square root of 82152345 is about 9063.7930801624. The cubic root of 82152345 is about 434.7170309232.

The spelling of 82152345 in words is "eighty-two million, one hundred fifty-two thousand, three hundred forty-five".