456240243 has 8 divisors (see below), whose sum is σ = 608624848. Its totient is φ = 304007904.

The previous prime is 456240241. The next prime is 456240269. The reversal of 456240243 is 342042654.

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

It is not a de Polignac number, because 456240243 - 2¹ = 456240241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 456240243.

It is not an unprimeable number, because it can be changed into a prime (456240241) 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, 30880 + ... + 43197.

It is an arithmetic number, because the mean of its divisors is an integer number (76078106).

Almost surely, 2^456240243 is an apocalyptic number.

456240243 is a deficient number, since it is larger than the sum of its proper divisors (152384605).

456240243 is a wasteful number, since it uses less digits than its factorization.

456240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76133.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 456240243 is about 21359.7809679781. The cubic root of 456240243 is about 769.8353743744.

Adding to 456240243 its reverse (342042654), we get a palindrome (798282897).

The spelling of 456240243 in words is "four hundred fifty-six million, two hundred forty thousand, two hundred forty-three".