245154113453 has 4 divisors (see below), whose sum is σ = 245158953468. Its totient is φ = 245149273440.

The previous prime is 245154113437. The next prime is 245154113459. The reversal of 245154113453 is 354311451542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354311451542 = 2 ⋅177155725771.

It can be written as a sum of positive squares in 2 ways, for example, as 4727662564 + 240426450889 = 68758^2 + 490333^2 .

It is a cyclic number.

It is not a de Polignac number, because 245154113453 - 2⁴ = 245154113437 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 (245154113459) 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, 2343218 + ... + 2445603.

It is an arithmetic number, because the mean of its divisors is an integer number (61289738367).

Almost surely, 2^245154113453 is an apocalyptic number.

It is an amenable number.

245154113453 is a deficient number, since it is larger than the sum of its proper divisors (4840015).

245154113453 is an equidigital number, since it uses as much as digits as its factorization.

245154113453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840014.

The product of its digits is 144000, while the sum is 38.

Adding to 245154113453 its reverse (354311451542), we get a palindrome (599465564995).

The spelling of 245154113453 in words is "two hundred forty-five billion, one hundred fifty-four million, one hundred thirteen thousand, four hundred fifty-three".