245140361 has 4 divisors (see below), whose sum is σ = 245212800. Its totient is φ = 245067924.

The previous prime is 245140349. The next prime is 245140373. The reversal of 245140361 is 163041542.

245140361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (245140349) and next prime (245140373).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245140361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245140361.

It is not an unprimeable number, because it can be changed into a prime (245140331) 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, 30881 + ... + 37998.

It is an arithmetic number, because the mean of its divisors is an integer number (61303200).

Almost surely, 2^245140361 is an apocalyptic number.

It is an amenable number.

245140361 is a deficient number, since it is larger than the sum of its proper divisors (72439).

245140361 is an equidigital number, since it uses as much as digits as its factorization.

245140361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72438.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 245140361 is about 15656.9588681838. The cubic root of 245140361 is about 625.8519462259.

The spelling of 245140361 in words is "two hundred forty-five million, one hundred forty thousand, three hundred sixty-one".