245130422451 has 4 divisors (see below), whose sum is σ = 326840563272. Its totient is φ = 163420281632.

The previous prime is 245130422393. The next prime is 245130422491. The reversal of 245130422451 is 154224031542.

245130422451 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 cyclic number.

It is not a de Polignac number, because 245130422451 - 2¹⁰ = 245130421427 is a prime.

It is a super-2 number, since 2×245130422451² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245130422491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40855070406 + ... + 40855070411.

It is an arithmetic number, because the mean of its divisors is an integer number (81710140818).

Almost surely, 2^245130422451 is an apocalyptic number.

245130422451 is a deficient number, since it is larger than the sum of its proper divisors (81710140821).

245130422451 is an equidigital number, since it uses as much as digits as its factorization.

245130422451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81710140820.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 245130422451 its reverse (154224031542), we get a palindrome (399354453993).

The spelling of 245130422451 in words is "two hundred forty-five billion, one hundred thirty million, four hundred twenty-two thousand, four hundred fifty-one".