245140024243 has 8 divisors (see below), whose sum is σ = 245480533760. Its totient is φ = 244799589960.

The previous prime is 245140024231. The next prime is 245140024277. The reversal of 245140024243 is 342420041542.

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 245140024243 - 2²¹ = 245137927091 is a prime.

It is a super-4 number, since 4×245140024243⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245140324243) 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, 10344298 + ... + 10367968.

It is an arithmetic number, because the mean of its divisors is an integer number (30685066720).

Almost surely, 2^245140024243 is an apocalyptic number.

245140024243 is a deficient number, since it is larger than the sum of its proper divisors (340509517).

245140024243 is a wasteful number, since it uses less digits than its factorization.

245140024243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37617.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 245140024243 its reverse (342420041542), we get a palindrome (587560065785).

The spelling of 245140024243 in words is "two hundred forty-five billion, one hundred forty million, twenty-four thousand, two hundred forty-three".