8102545 has 8 divisors (see below), whose sum is σ = 10607040. Its totient is φ = 5892720.

The previous prime is 8102537. The next prime is 8102561. The reversal of 8102545 is 5452018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8102545 - 2³ = 8102537 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73605 + ... + 73714.

It is an arithmetic number, because the mean of its divisors is an integer number (1325880).

Almost surely, 2^8102545 is an apocalyptic number.

It is an amenable number.

8102545 is a deficient number, since it is larger than the sum of its proper divisors (2504495).

8102545 is a wasteful number, since it uses less digits than its factorization.

8102545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147335.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 8102545 is about 2846.4969699615. The cubic root of 8102545 is about 200.8509162402.

The spelling of 8102545 in words is "eight million, one hundred two thousand, five hundred forty-five".