245522454 has 32 divisors (see below), whose sum is σ = 515068416. Its totient is φ = 77931360.

The previous prime is 245522393. The next prime is 245522461. The reversal of 245522454 is 454225542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332 + ... + 22199.

It is an arithmetic number, because the mean of its divisors is an integer number (16095888).

Almost surely, 2^245522454 is an apocalyptic number.

245522454 is an abundant number, since it is smaller than the sum of its proper divisors (269545962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245522454 is a wasteful number, since it uses less digits than its factorization.

245522454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23620.

The product of its digits is 64000, while the sum is 33.

The square root of 245522454 is about 15669.1561355422. The cubic root of 245522454 is about 626.1769430436.

Adding to 245522454 its reverse (454225542), we get a palindrome (699747996).

The spelling of 245522454 in words is "two hundred forty-five million, five hundred twenty-two thousand, four hundred fifty-four".