245545140541505 has 8 divisors (see below), whose sum is σ = 336747621314112. Its totient is φ = 168373810657008.

The previous prime is 245545140541499. The next prime is 245545140541529. The reversal of 245545140541505 is 505145041545542.

245545140541505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 245545140541505 - 2³⁴ = 245527960672321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507787721987 + ... + 3507787722056.

It is an arithmetic number, because the mean of its divisors is an integer number (42093452664264).

Almost surely, 2^{245545140541505} is an apocalyptic number.

It is an amenable number.

245545140541505 is a deficient number, since it is larger than the sum of its proper divisors (91202480772607).

245545140541505 is an equidigital number, since it uses as much as digits as its factorization.

245545140541505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015575444055.

The product of its (nonzero) digits is 8000000, while the sum is 50.

The spelling of 245545140541505 in words is "two hundred forty-five trillion, five hundred forty-five billion, one hundred forty million, five hundred forty-one thousand, five hundred five".