8145293 has 6 divisors (see below), whose sum is σ = 8820234. Its totient is φ = 7518576.

The previous prime is 8145283. The next prime is 8145299. The reversal of 8145293 is 3925418.

It can be written as a sum of positive squares in 3 ways, for example, as 232324 + 7912969 = 482^2 + 2813^2 .

It is not a de Polignac number, because 8145293 - 2¹² = 8141197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145299) 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, 23930 + ... + 24267.

It is an arithmetic number, because the mean of its divisors is an integer number (1470039).

Almost surely, 2^8145293 is an apocalyptic number.

It is an amenable number.

8145293 is a deficient number, since it is larger than the sum of its proper divisors (674941).

8145293 is a wasteful number, since it uses less digits than its factorization.

8145293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48223 (or 48210 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 8145293 is about 2853.9959705648. The cubic root of 8145293 is about 201.2035181928.

The spelling of 8145293 in words is "eight million, one hundred forty-five thousand, two hundred ninety-three".