450742 has 4 divisors (see below), whose sum is σ = 676116. Its totient is φ = 225370.

The previous prime is 450727. The next prime is 450761. The reversal of 450742 is 247054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247054 = 2 ⋅123527.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 450742.

It is an unprimeable number.

450742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112684 + ... + 112687.

It is an arithmetic number, because the mean of its divisors is an integer number (169029).

2⁴⁵⁰⁷⁴² is an apocalyptic number.

450742 is a deficient number, since it is larger than the sum of its proper divisors (225374).

450742 is a wasteful number, since it uses less digits than its factorization.

450742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225373.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 450742 is about 671.3732196029. The cubic root of 450742 is about 76.6730387478.

Adding to 450742 its reverse (247054), we get a palindrome (697796).

The spelling of 450742 in words is "four hundred fifty thousand, seven hundred forty-two".