8145538 has 8 divisors (see below), whose sum is σ = 12233340. Its totient is φ = 4067760.

The previous prime is 8145479. The next prime is 8145541. The reversal of 8145538 is 8355418.

It can be written as a sum of positive squares in 2 ways, for example, as 8139609 + 5929 = 2853^2 + 77^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48 + ... + 4036.

Almost surely, 2^8145538 is an apocalyptic number.

8145538 is a deficient number, since it is larger than the sum of its proper divisors (4087802).

8145538 is a wasteful number, since it uses less digits than its factorization.

8145538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012.

The product of its digits is 19200, while the sum is 34.

The square root of 8145538 is about 2854.0388925171. The cubic root of 8145538 is about 201.2055354874.

The spelling of 8145538 in words is "eight million, one hundred forty-five thousand, five hundred thirty-eight".