2945453 has 4 divisors (see below), whose sum is σ = 3366240. Its totient is φ = 2524668.

The previous prime is 2945447. The next prime is 2945461. The reversal of 2945453 is 3545492.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2945453 - 2¹⁰ = 2944429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210383 + ... + 210396.

It is an arithmetic number, because the mean of its divisors is an integer number (841560).

2^2945453 is an apocalyptic number.

It is an amenable number.

2945453 is a deficient number, since it is larger than the sum of its proper divisors (420787).

2945453 is an equidigital number, since it uses as much as digits as its factorization.

2945453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420786.

The product of its digits is 21600, while the sum is 32.

The square root of 2945453 is about 1716.2322103958. The cubic root of 2945453 is about 143.3454896246.

The spelling of 2945453 in words is "two million, nine hundred forty-five thousand, four hundred fifty-three".