8145807 has 4 divisors (see below), whose sum is σ = 10861080. Its totient is φ = 5430536.

The previous prime is 8145773. The next prime is 8145811. The reversal of 8145807 is 7085418.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8145807 - 2⁶ = 8145743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357632 + ... + 1357637.

It is an arithmetic number, because the mean of its divisors is an integer number (2715270).

Almost surely, 2^8145807 is an apocalyptic number.

8145807 is a deficient number, since it is larger than the sum of its proper divisors (2715273).

8145807 is a wasteful number, since it uses less digits than its factorization.

8145807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715272.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 8145807 is about 2854.0860183253. The cubic root of 8145807 is about 201.2077503480.

The spelling of 8145807 in words is "eight million, one hundred forty-five thousand, eight hundred seven".