245315020141 has 4 divisors (see below), whose sum is σ = 246181857952. Its totient is φ = 244448182332.

The previous prime is 245315020133. The next prime is 245315020163. The reversal of 245315020141 is 141020513542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245315020141 - 2³ = 245315020133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245315020541) 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, 433418481 + ... + 433419046.

It is an arithmetic number, because the mean of its divisors is an integer number (61545464488).

Almost surely, 2^245315020141 is an apocalyptic number.

It is an amenable number.

245315020141 is a deficient number, since it is larger than the sum of its proper divisors (866837811).

245315020141 is an equidigital number, since it uses as much as digits as its factorization.

245315020141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866837810.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 245315020141 its reverse (141020513542), we get a palindrome (386335533683).

The spelling of 245315020141 in words is "two hundred forty-five billion, three hundred fifteen million, twenty thousand, one hundred forty-one".