451902243 has 8 divisors (see below), whose sum is σ = 648885328. Its totient is φ = 278093664.

The previous prime is 451902163. The next prime is 451902247. The reversal of 451902243 is 342209154.

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

It is not a de Polignac number, because 451902243 - 2⁸ = 451901987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451902243.

It is not an unprimeable number, because it can be changed into a prime (451902247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793580 + ... + 5793657.

It is an arithmetic number, because the mean of its divisors is an integer number (81110666).

Almost surely, 2^451902243 is an apocalyptic number.

451902243 is a deficient number, since it is larger than the sum of its proper divisors (196983085).

451902243 is a wasteful number, since it uses less digits than its factorization.

451902243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587253.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 451902243 is about 21257.9924498999. The cubic root of 451902243 is about 767.3876972488.

The spelling of 451902243 in words is "four hundred fifty-one million, nine hundred two thousand, two hundred forty-three".