245541101 has 4 divisors (see below), whose sum is σ = 264428892. Its totient is φ = 226653312.

The previous prime is 245541097. The next prime is 245541119. The reversal of 245541101 is 101145542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98525476 + 147015625 = 9926^2 + 12125^2 .

It is a cyclic number.

It is not a de Polignac number, because 245541101 - 2² = 245541097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245541181) 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, 9443876 + ... + 9443901.

It is an arithmetic number, because the mean of its divisors is an integer number (66107223).

Almost surely, 2^245541101 is an apocalyptic number.

It is an amenable number.

245541101 is a deficient number, since it is larger than the sum of its proper divisors (18887791).

245541101 is a wasteful number, since it uses less digits than its factorization.

245541101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887790.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 245541101 is about 15669.7511467158. The cubic root of 245541101 is about 626.1927949894.

Adding to 245541101 its reverse (101145542), we get a palindrome (346686643).

The spelling of 245541101 in words is "two hundred forty-five million, five hundred forty-one thousand, one hundred one".