8150645 has 4 divisors (see below), whose sum is σ = 9780780. Its totient is φ = 6520512.

The previous prime is 8150629. The next prime is 8150647. The reversal of 8150645 is 5460518.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2735716 + 5414929 = 1654^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 8150645 - 2⁴ = 8150629 is a prime.

It is a Curzon number.

It is a plaindrome in base 11 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8150647) 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, 815060 + ... + 815069.

It is an arithmetic number, because the mean of its divisors is an integer number (2445195).

Almost surely, 2^8150645 is an apocalyptic number.

It is an amenable number.

8150645 is a deficient number, since it is larger than the sum of its proper divisors (1630135).

8150645 is a wasteful number, since it uses less digits than its factorization.

8150645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630134.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 8150645 is about 2854.9334493119. The cubic root of 8150645 is about 201.2475765818.

The spelling of 8150645 in words is "eight million, one hundred fifty thousand, six hundred forty-five".