245512452 has 48 divisors (see below), whose sum is σ = 613267200. Its totient is φ = 76212000.

The previous prime is 245512447. The next prime is 245512459. The reversal of 245512452 is 254215542.

It is not an unprimeable number, because it can be changed into a prime (245512459) by changing a digit.

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, 4327 + ... + 22577.

It is an arithmetic number, because the mean of its divisors is an integer number (12776400).

Almost surely, 2^245512452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245512452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306633600).

245512452 is an abundant number, since it is smaller than the sum of its proper divisors (367754748).

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

245512452 is a wasteful number, since it uses less digits than its factorization.

245512452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336 (or 18334 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 245512452 is about 15668.8369702413. The cubic root of 245512452 is about 626.1684399424.

Adding to 245512452 its reverse (254215542), we get a palindrome (499727994).

The spelling of 245512452 in words is "two hundred forty-five million, five hundred twelve thousand, four hundred fifty-two".