245331453 has 4 divisors (see below), whose sum is σ = 327108608. Its totient is φ = 163554300.

The previous prime is 245331451. The next prime is 245331461. The reversal of 245331453 is 354133542.

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 not a de Polignac number, because 245331453 - 2¹ = 245331451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245331453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245331451) 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, 40888573 + ... + 40888578.

It is an arithmetic number, because the mean of its divisors is an integer number (81777152).

Almost surely, 2^245331453 is an apocalyptic number.

It is an amenable number.

245331453 is a deficient number, since it is larger than the sum of its proper divisors (81777155).

245331453 is an equidigital number, since it uses as much as digits as its factorization.

245331453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81777154.

The product of its digits is 21600, while the sum is 30.

The square root of 245331453 is about 15663.0601416198. The cubic root of 245331453 is about 626.0145255164.

Adding to 245331453 its reverse (354133542), we get a palindrome (599464995).

The spelling of 245331453 in words is "two hundred forty-five million, three hundred thirty-one thousand, four hundred fifty-three".