450023134 has 32 divisors (see below), whose sum is σ = 765096192. Its totient is φ = 196728000.

The previous prime is 450023111. The next prime is 450023153. The reversal of 450023134 is 431320054.

It is a super-2 number, since 2×450023134² = 405041642270363912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60529 + ... + 67555.

It is an arithmetic number, because the mean of its divisors is an integer number (23909256).

Almost surely, 2^450023134 is an apocalyptic number.

450023134 is a deficient number, since it is larger than the sum of its proper divisors (315073058).

450023134 is a wasteful number, since it uses less digits than its factorization.

450023134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 450023134 is about 21213.7487021978. The cubic root of 450023134 is about 766.3225638740.

Adding to 450023134 its reverse (431320054), we get a palindrome (881343188).

The spelling of 450023134 in words is "four hundred fifty million, twenty-three thousand, one hundred thirty-four".