8190145 has 8 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 6514800.

The previous prime is 8190131. The next prime is 8190157. The reversal of 8190145 is 5410918.

It is a happy number.

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

It is not a de Polignac number, because 8190145 - 2⁵ = 8190113 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3681 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (1235520).

Almost surely, 2^8190145 is an apocalyptic number.

It is an amenable number.

8190145 is a deficient number, since it is larger than the sum of its proper divisors (1694015).

8190145 is a wasteful number, since it uses less digits than its factorization.

8190145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 8190145 is about 2861.8429376889. The cubic root of 8190145 is about 201.5721509911.

The spelling of 8190145 in words is "eight million, one hundred ninety thousand, one hundred forty-five".