245121452 has 12 divisors (see below), whose sum is σ = 439425336. Its totient is φ = 119571360.

The previous prime is 245121421. The next prime is 245121467. The reversal of 245121452 is 254121542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747158 + ... + 747485.

It is an arithmetic number, because the mean of its divisors is an integer number (36618778).

Almost surely, 2^245121452 is an apocalyptic number.

It is an amenable number.

245121452 is a deficient number, since it is larger than the sum of its proper divisors (194303884).

245121452 is a wasteful number, since it uses less digits than its factorization.

245121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494688 (or 1494686 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 245121452 is about 15656.3550036399. The cubic root of 245121452 is about 625.8358540319.

Adding to 245121452 its reverse (254121542), we get a palindrome (499242994).

The spelling of 245121452 in words is "two hundred forty-five million, one hundred twenty-one thousand, four hundred fifty-two".