2373145 has 4 divisors (see below), whose sum is σ = 2847780. Its totient is φ = 1898512.

The previous prime is 2373139. The next prime is 2373167. The reversal of 2373145 is 5413732.

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 755161 + 1617984 = 869^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2373145 - 2⁹ = 2372633 is a prime.

It is a nialpdrome in base 12.

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, 237310 + ... + 237319.

It is an arithmetic number, because the mean of its divisors is an integer number (711945).

2^2373145 is an apocalyptic number.

It is an amenable number.

2373145 is a deficient number, since it is larger than the sum of its proper divisors (474635).

2373145 is an equidigital number, since it uses as much as digits as its factorization.

2373145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474634.

The product of its digits is 2520, while the sum is 25.

The square root of 2373145 is about 1540.5015417065. The cubic root of 2373145 is about 133.3853373531.

Adding to 2373145 its reverse (5413732), we get a palindrome (7786877).

It can be divided in two parts, 237314 and 5, that multiplied together give a triangular number (1186570 = T₁₅₄₀).

The spelling of 2373145 in words is "two million, three hundred seventy-three thousand, one hundred forty-five".