450312042 has 8 divisors (see below), whose sum is σ = 900624096. Its totient is φ = 150104012.

The previous prime is 450312017. The next prime is 450312043. The reversal of 450312042 is 240213054.

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

450312042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (450312043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37525998 + ... + 37526009.

It is an arithmetic number, because the mean of its divisors is an integer number (112578012).

Almost surely, 2^450312042 is an apocalyptic number.

450312042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450312042 is a wasteful number, since it uses less digits than its factorization.

450312042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75052012.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 450312042 is about 21220.5570614911. The cubic root of 450312042 is about 766.4865179330.

Adding to 450312042 its reverse (240213054), we get a palindrome (690525096).

The spelling of 450312042 in words is "four hundred fifty million, three hundred twelve thousand, forty-two".