245664141 has 24 divisors (see below), whose sum is σ = 339562080. Its totient is φ = 157936320.

The previous prime is 245664137. The next prime is 245664151. The reversal of 245664141 is 141466542.

It is not a de Polignac number, because 245664141 - 2² = 245664137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245664121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658431 + ... + 658803.

It is an arithmetic number, because the mean of its divisors is an integer number (14148420).

Almost surely, 2^245664141 is an apocalyptic number.

It is an amenable number.

245664141 is a deficient number, since it is larger than the sum of its proper divisors (93897939).

245664141 is an equidigital number, since it uses as much as digits as its factorization.

245664141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 496 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 245664141 is about 15673.6766905535. The cubic root of 245664141 is about 626.2973720445.

The spelling of 245664141 in words is "two hundred forty-five million, six hundred sixty-four thousand, one hundred forty-one".