450242134 has 4 divisors (see below), whose sum is σ = 675363204. Its totient is φ = 225121066.

The previous prime is 450242123. The next prime is 450242137. The reversal of 450242134 is 431242054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 450242099 and 450242108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450242137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112560532 + ... + 112560535.

It is an arithmetic number, because the mean of its divisors is an integer number (168840801).

Almost surely, 2^450242134 is an apocalyptic number.

450242134 is a deficient number, since it is larger than the sum of its proper divisors (225121070).

450242134 is a wasteful number, since it uses less digits than its factorization.

450242134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225121069.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 450242134 is about 21218.9098211949. The cubic root of 450242134 is about 766.4468518737.

Adding to 450242134 its reverse (431242054), we get a palindrome (881484188).

The spelling of 450242134 in words is "four hundred fifty million, two hundred forty-two thousand, one hundred thirty-four".