4195145 has 4 divisors (see below), whose sum is σ = 5034180. Its totient is φ = 3356112.

The previous prime is 4195129. The next prime is 4195157. The reversal of 4195145 is 5415914.

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 1567504 + 2627641 = 1252^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 4195145 - 2⁴ = 4195129 is a prime.

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, 419510 + ... + 419519.

It is an arithmetic number, because the mean of its divisors is an integer number (1258545).

Almost surely, 2^4195145 is an apocalyptic number.

It is an amenable number.

4195145 is a deficient number, since it is larger than the sum of its proper divisors (839035).

4195145 is an equidigital number, since it uses as much as digits as its factorization.

4195145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839034.

The product of its digits is 3600, while the sum is 29.

The square root of 4195145 is about 2048.2053119744. The cubic root of 4195145 is about 161.2806724097.

The spelling of 4195145 in words is "four million, one hundred ninety-five thousand, one hundred forty-five".