264198145 has 4 divisors (see below), whose sum is σ = 317037780. Its totient is φ = 211358512.

The previous prime is 264198133. The next prime is 264198203. The reversal of 264198145 is 541891462.

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 163737616 + 100460529 = 12796^2 + 10023^2 .

It is a cyclic number.

It is not a de Polignac number, because 264198145 - 2⁷ = 264198017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264198098 and 264198107.

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, 26419810 + ... + 26419819.

It is an arithmetic number, because the mean of its divisors is an integer number (79259445).

Almost surely, 2^264198145 is an apocalyptic number.

It is an amenable number.

264198145 is a deficient number, since it is larger than the sum of its proper divisors (52839635).

264198145 is an equidigital number, since it uses as much as digits as its factorization.

264198145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52839634.

The product of its digits is 69120, while the sum is 40.

The square root of 264198145 is about 16254.1731564543. The cubic root of 264198145 is about 641.6673200271.

The spelling of 264198145 in words is "two hundred sixty-four million, one hundred ninety-eight thousand, one hundred forty-five".