245045241 has 12 divisors (see below), whose sum is σ = 404519232. Its totient is φ = 140025816.

The previous prime is 245045219. The next prime is 245045249. The reversal of 245045241 is 142540542.

It is not a de Polignac number, because 245045241 - 2⁵ = 245045209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245045249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1944741 + ... + 1944866.

It is an arithmetic number, because the mean of its divisors is an integer number (33709936).

Almost surely, 2^245045241 is an apocalyptic number.

245045241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245045241 is a deficient number, since it is larger than the sum of its proper divisors (159473991).

245045241 is a wasteful number, since it uses less digits than its factorization.

245045241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889620 (or 3889617 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 245045241 is about 15653.9209465233. The cubic root of 245045241 is about 625.7709875208.

Adding to 245045241 its reverse (142540542), we get a palindrome (387585783).

The spelling of 245045241 in words is "two hundred forty-five million, forty-five thousand, two hundred forty-one".