245573046275538 has 8 divisors (see below), whose sum is σ = 491146092551088. Its totient is φ = 81857682091844.

The previous prime is 245573046275503. The next prime is 245573046275539. The reversal of 245573046275538 is 835572640375542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

245573046275538 is an admirable number.

It is a super-2 number, since 2×245573046275538² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245573046275539) 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, 20464420522956 + ... + 20464420522967.

It is an arithmetic number, because the mean of its divisors is an integer number (61393261568886).

Almost surely, 2^{245573046275538} is an apocalyptic number.

245573046275538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245573046275538 is a wasteful number, since it uses less digits than its factorization.

245573046275538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40928841045928.

The product of its (nonzero) digits is 846720000, while the sum is 66.

The spelling of 245573046275538 in words is "two hundred forty-five trillion, five hundred seventy-three billion, forty-six million, two hundred seventy-five thousand, five hundred thirty-eight".