2319145 has 4 divisors (see below), whose sum is σ = 2782980. Its totient is φ = 1855312.

The previous prime is 2319133. The next prime is 2319151. The reversal of 2319145 is 5419132.

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 257049 + 2062096 = 507^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2319145 - 2¹¹ = 2317097 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, 231910 + ... + 231919.

It is an arithmetic number, because the mean of its divisors is an integer number (695745).

2^2319145 is an apocalyptic number.

It is an amenable number.

2319145 is a deficient number, since it is larger than the sum of its proper divisors (463835).

2319145 is an equidigital number, since it uses as much as digits as its factorization.

2319145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463834.

The product of its digits is 1080, while the sum is 25.

The square root of 2319145 is about 1522.8739278089. The cubic root of 2319145 is about 132.3658545038.

The spelling of 2319145 in words is "two million, three hundred nineteen thousand, one hundred forty-five".