450144134 has 32 divisors (see below), whose sum is σ = 752910336. Its totient is φ = 200128320.

The previous prime is 450144131. The next prime is 450144157. The reversal of 450144134 is 431441054.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450144131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202859 + ... + 205065.

It is an arithmetic number, because the mean of its divisors is an integer number (23528448).

Almost surely, 2^450144134 is an apocalyptic number.

450144134 is a deficient number, since it is larger than the sum of its proper divisors (302766202).

450144134 is a wasteful number, since it uses less digits than its factorization.

450144134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 450144134 is about 21216.6004345654. The cubic root of 450144134 is about 766.3912393961.

Adding to 450144134 its reverse (431441054), we get a palindrome (881585188).

The spelling of 450144134 in words is "four hundred fifty million, one hundred forty-four thousand, one hundred thirty-four".