945898243 has 4 divisors (see below), whose sum is σ = 947825208. Its totient is φ = 943971280.

The previous prime is 945898237. The next prime is 945898259. The reversal of 945898243 is 342898549.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 945898243 - 2²¹ = 943801091 is a prime.

It is a super-2 number, since 2×945898243² = 1789446972220974098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945898273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962746 + ... + 963727.

It is an arithmetic number, because the mean of its divisors is an integer number (236956302).

Almost surely, 2^945898243 is an apocalyptic number.

945898243 is a deficient number, since it is larger than the sum of its proper divisors (1926965).

945898243 is a wasteful number, since it uses less digits than its factorization.

945898243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926964.

The product of its digits is 2488320, while the sum is 52.

The square root of 945898243 is about 30755.4587512526. The cubic root of 945898243 is about 981.6307165446.

It can be divided in two parts, 9458 and 98243, that added together give a palindrome (107701).

The spelling of 945898243 in words is "nine hundred forty-five million, eight hundred ninety-eight thousand, two hundred forty-three".