451641243 has 8 divisors (see below), whose sum is σ = 604842048. Its totient is φ = 299767304.

The previous prime is 451641241. The next prime is 451641247. The reversal of 451641243 is 342146154.

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 451641243 - 2¹ = 451641241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451641243.

It is not an unprimeable number, because it can be changed into a prime (451641241) 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, 330921 + ... + 332282.

It is an arithmetic number, because the mean of its divisors is an integer number (75605256).

Almost surely, 2^451641243 is an apocalyptic number.

451641243 is a deficient number, since it is larger than the sum of its proper divisors (153200805).

451641243 is a wasteful number, since it uses less digits than its factorization.

451641243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663433.

The product of its digits is 11520, while the sum is 30.

The square root of 451641243 is about 21251.8526957063. The cubic root of 451641243 is about 767.2399316912.

Adding to 451641243 its reverse (342146154), we get a palindrome (793787397).

The spelling of 451641243 in words is "four hundred fifty-one million, six hundred forty-one thousand, two hundred forty-three".