245541343251 has 8 divisors (see below), whose sum is σ = 331532615680. Its totient is φ = 161622149832.

The previous prime is 245541343241. The next prime is 245541343301. The reversal of 245541343251 is 152343145542.

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

It is not a de Polignac number, because 245541343251 - 2⁵ = 245541343219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245541343231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518019475 + ... + 518019948.

It is an arithmetic number, because the mean of its divisors is an integer number (41441576960).

Almost surely, 2^245541343251 is an apocalyptic number.

245541343251 is a deficient number, since it is larger than the sum of its proper divisors (85991272429).

245541343251 is a wasteful number, since it uses less digits than its factorization.

245541343251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036039505.

The product of its digits is 288000, while the sum is 39.

Adding to 245541343251 its reverse (152343145542), we get a palindrome (397884488793).

The spelling of 245541343251 in words is "two hundred forty-five billion, five hundred forty-one million, three hundred forty-three thousand, two hundred fifty-one".