245245454 has 4 divisors (see below), whose sum is σ = 367868184. Its totient is φ = 122622726.

The previous prime is 245245447. The next prime is 245245523. The reversal of 245245454 is 454542542.

245245454 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 is a super-2 number, since 2×245245454² = 120290665415332232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61311362 + ... + 61311365.

It is an arithmetic number, because the mean of its divisors is an integer number (91967046).

Almost surely, 2^245245454 is an apocalyptic number.

245245454 is a deficient number, since it is larger than the sum of its proper divisors (122622730).

245245454 is a wasteful number, since it uses less digits than its factorization.

245245454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122622729.

The product of its digits is 128000, while the sum is 35.

The square root of 245245454 is about 15660.3146200835. The cubic root of 245245454 is about 625.9413688211.

Adding to 245245454 its reverse (454542542), we get a palindrome (699787996).

The spelling of 245245454 in words is "two hundred forty-five million, two hundred forty-five thousand, four hundred fifty-four".