2355145 has 16 divisors (see below), whose sum is σ = 3205440. Its totient is φ = 1646784.

The previous prime is 2355139. The next prime is 2355151. The reversal of 2355145 is 5415532.

It is an interprime number because it is at equal distance from previous prime (2355139) and next prime (2355151).

It is a cyclic number.

It is not a de Polignac number, because 2355145 - 2³ = 2355137 is a prime.

2355145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (200340).

2^2355145 is an apocalyptic number.

It is an amenable number.

2355145 is a deficient number, since it is larger than the sum of its proper divisors (850295).

2355145 is a wasteful number, since it uses less digits than its factorization.

2355145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its digits is 3000, while the sum is 25.

The square root of 2355145 is about 1534.6481681480. The cubic root of 2355145 is about 133.0472442256.

It can be divided in two parts, 2355 and 145, that added together give a square (2500 = 50²).

The spelling of 2355145 in words is "two million, three hundred fifty-five thousand, one hundred forty-five".