2390145 has 16 divisors (see below), whose sum is σ = 3874560. Its totient is φ = 1257984.

The previous prime is 2390123. The next prime is 2390147. The reversal of 2390145 is 5410932.

It is not a de Polignac number, because 2390145 - 2⁸ = 2389889 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2390147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (242160).

2^2390145 is an apocalyptic number.

It is an amenable number.

2390145 is a deficient number, since it is larger than the sum of its proper divisors (1484415).

2390145 is a wasteful number, since it uses less digits than its factorization.

2390145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2390145 is about 1546.0093790142. The cubic root of 2390145 is about 133.7030813392.

The spelling of 2390145 in words is "two million, three hundred ninety thousand, one hundred forty-five".