245844641 has 8 divisors (see below), whose sum is σ = 285159360. Its totient is φ = 207578448.

The previous prime is 245844637. The next prime is 245844659. The reversal of 245844641 is 146448542.

245844641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 245844641 - 2² = 245844637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245844595 and 245844604.

It is not an unprimeable number, because it can be changed into a prime (245844661) 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, 261626 + ... + 262563.

It is an arithmetic number, because the mean of its divisors is an integer number (35644920).

Almost surely, 2^245844641 is an apocalyptic number.

It is an amenable number.

245844641 is a deficient number, since it is larger than the sum of its proper divisors (39314719).

245844641 is an equidigital number, since it uses as much as digits as its factorization.

245844641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524263.

The product of its digits is 122880, while the sum is 38.

The square root of 245844641 is about 15679.4336951307. The cubic root of 245844641 is about 626.4507236892.

The spelling of 245844641 in words is "two hundred forty-five million, eight hundred forty-four thousand, six hundred forty-one".