8145355 has 4 divisors (see below), whose sum is σ = 9774432. Its totient is φ = 6516280.

The previous prime is 8145349. The next prime is 8145367. The reversal of 8145355 is 5535418.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8145355 - 2⁵ = 8145323 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814531 + ... + 814540.

It is an arithmetic number, because the mean of its divisors is an integer number (2443608).

Almost surely, 2^8145355 is an apocalyptic number.

8145355 is a deficient number, since it is larger than the sum of its proper divisors (1629077).

8145355 is a wasteful number, since it uses less digits than its factorization.

8145355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629076.

The product of its digits is 12000, while the sum is 31.

The square root of 8145355 is about 2854.0068325076. The cubic root of 8145355 is about 201.2040286956.

The spelling of 8145355 in words is "eight million, one hundred forty-five thousand, three hundred fifty-five".