245226245023 has 4 divisors (see below), whose sum is σ = 253136769088. Its totient is φ = 237315720960.

The previous prime is 245226245009. The next prime is 245226245053. The reversal of 245226245023 is 320542622542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245226245023 is a prime.

It is a super-2 number, since 2×245226245023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245226245053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955261986 + ... + 3955262047.

It is an arithmetic number, because the mean of its divisors is an integer number (63284192272).

Almost surely, 2^245226245023 is an apocalyptic number.

245226245023 is a deficient number, since it is larger than the sum of its proper divisors (7910524065).

245226245023 is an equidigital number, since it uses as much as digits as its factorization.

245226245023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910524064.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 245226245023 its reverse (320542622542), we get a palindrome (565768867565).

The spelling of 245226245023 in words is "two hundred forty-five billion, two hundred twenty-six million, two hundred forty-five thousand, twenty-three".