2253543445 has 4 divisors (see below), whose sum is σ = 2704252140. Its totient is φ = 1802834752.

The previous prime is 2253543437. The next prime is 2253543491. The reversal of 2253543445 is 5443453522.

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 1738389636 + 515153809 = 41694^2 + 22697^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253543445 - 2³ = 2253543437 is a prime.

It is a super-3 number, since 3×2253543445³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 225354340 + ... + 225354349.

It is an arithmetic number, because the mean of its divisors is an integer number (676063035).

Almost surely, 2^2253543445 is an apocalyptic number.

It is an amenable number.

2253543445 is a deficient number, since it is larger than the sum of its proper divisors (450708695).

2253543445 is an equidigital number, since it uses as much as digits as its factorization.

2253543445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450708694.

The product of its digits is 288000, while the sum is 37.

The square root of 2253543445 is about 47471.5013982073. The cubic root of 2253543445 is about 1311.0582217179.

Adding to 2253543445 its reverse (5443453522), we get a palindrome (7696996967).

The spelling of 2253543445 in words is "two billion, two hundred fifty-three million, five hundred forty-three thousand, four hundred forty-five".