451242854 has 8 divisors (see below), whose sum is σ = 679175280. Its totient is φ = 224851096.

The previous prime is 451242839. The next prime is 451242859. The reversal of 451242854 is 458242154.

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

It is a super-2 number, since 2×451242854² = 407240226572130632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451242859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384434 + ... + 385605.

It is an arithmetic number, because the mean of its divisors is an integer number (84896910).

Almost surely, 2^451242854 is an apocalyptic number.

451242854 is a deficient number, since it is larger than the sum of its proper divisors (227932426).

451242854 is a wasteful number, since it uses less digits than its factorization.

451242854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770334.

The product of its digits is 51200, while the sum is 35.

The square root of 451242854 is about 21242.4775861951. The cubic root of 451242854 is about 767.0142733312.

The spelling of 451242854 in words is "four hundred fifty-one million, two hundred forty-two thousand, eight hundred fifty-four".