2320145 has 8 divisors (see below), whose sum is σ = 2880360. Its totient is φ = 1792000.

The previous prime is 2320139. The next prime is 2320169. The reversal of 2320145 is 5410232.

It can be written as a sum of positive squares in 4 ways, for example, as 588289 + 1731856 = 767^2 + 1316^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2320145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7856 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

2^2320145 is an apocalyptic number.

It is an amenable number.

2320145 is a deficient number, since it is larger than the sum of its proper divisors (560215).

2320145 is a wasteful number, since it uses less digits than its factorization.

2320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16035.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2320145 is about 1523.2022190110. The cubic root of 2320145 is about 132.3848768639.

Adding to 2320145 its reverse (5410232), we get a palindrome (7730377).

It can be divided in two parts, 2320 and 145, that multiplied together give a square (336400 = 580²).

The spelling of 2320145 in words is "two million, three hundred twenty thousand, one hundred forty-five".