245489346258 has 24 divisors (see below), whose sum is σ = 531651485808. Its totient is φ = 75535183152.

The previous prime is 245489346253. The next prime is 245489346341. The reversal of 245489346258 is 852643984542.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245489346253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121048960 + ... + 121050987.

It is an arithmetic number, because the mean of its divisors is an integer number (22152145242).

Almost surely, 2^245489346258 is an apocalyptic number.

245489346258 is an abundant number, since it is smaller than the sum of its proper divisors (286162139550).

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

245489346258 is a wasteful number, since it uses less digits than its factorization.

245489346258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242099978 (or 242099965 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 60.

The spelling of 245489346258 in words is "two hundred forty-five billion, four hundred eighty-nine million, three hundred forty-six thousand, two hundred fifty-eight".