245503141 has 8 divisors (see below), whose sum is σ = 265760600. Its totient is φ = 225441792.

The previous prime is 245503133. The next prime is 245503157. The reversal of 245503141 is 141305542.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16434916 + 229068225 = 4054^2 + 15135^2 .

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 245503141 - 2³ = 245503133 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 (245500141) 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, 46416 + ... + 51433.

It is an arithmetic number, because the mean of its divisors is an integer number (33220075).

Almost surely, 2^245503141 is an apocalyptic number.

It is an amenable number.

245503141 is a deficient number, since it is larger than the sum of its proper divisors (20257459).

245503141 is a wasteful number, since it uses less digits than its factorization.

245503141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98055.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 245503141 is about 15668.5398490095. The cubic root of 245503141 is about 626.1605240804.

Adding to 245503141 its reverse (141305542), we get a palindrome (386808683).

The spelling of 245503141 in words is "two hundred forty-five million, five hundred three thousand, one hundred forty-one".