451312042 has 8 divisors (see below), whose sum is σ = 677210436. Its totient is φ = 225575232.

The previous prime is 451312033. The next prime is 451312091. The reversal of 451312042 is 240213154.

It can be written as a sum of positive squares in 2 ways, for example, as 450670441 + 641601 = 21229^2 + 801^2 .

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

It is an unprimeable number.

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, 33153 + ... + 44740.

Almost surely, 2^451312042 is an apocalyptic number.

451312042 is a deficient number, since it is larger than the sum of its proper divisors (225898394).

451312042 is a wasteful number, since it uses less digits than its factorization.

451312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80792.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 451312042 is about 21244.1060532092. The cubic root of 451312042 is about 767.0534728229.

Adding to 451312042 its reverse (240213154), we get a palindrome (691525196).

The spelling of 451312042 in words is "four hundred fifty-one million, three hundred twelve thousand, forty-two".