245441453 has 4 divisors (see below), whose sum is σ = 245586780. Its totient is φ = 245296128.

The previous prime is 245441437. The next prime is 245441467. The reversal of 245441453 is 354144542.

245441453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 72965764 + 172475689 = 8542^2 + 13133^2 .

It is a cyclic number.

It is not a de Polignac number, because 245441453 - 2⁴ = 245441437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245441953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70100 + ... + 73517.

It is an arithmetic number, because the mean of its divisors is an integer number (61396695).

Almost surely, 2^245441453 is an apocalyptic number.

It is an amenable number.

245441453 is a deficient number, since it is larger than the sum of its proper divisors (145327).

245441453 is a wasteful number, since it uses less digits than its factorization.

245441453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145326.

The product of its digits is 38400, while the sum is 32.

The square root of 245441453 is about 15666.5711947446. The cubic root of 245441453 is about 626.1080742068.

Adding to 245441453 its reverse (354144542), we get a palindrome (599585995).

The spelling of 245441453 in words is "two hundred forty-five million, four hundred forty-one thousand, four hundred fifty-three".