450533142 has 12 divisors (see below), whose sum is σ = 976155180. Its totient is φ = 150177708.

The previous prime is 450533123. The next prime is 450533143. The reversal of 450533142 is 241335054.

It is a super-2 number, since 2×450533142² = 405960224080784328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450533143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12514792 + ... + 12514827.

It is an arithmetic number, because the mean of its divisors is an integer number (81346265).

Almost surely, 2^450533142 is an apocalyptic number.

450533142 is an abundant number, since it is smaller than the sum of its proper divisors (525622038).

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

450533142 is a wasteful number, since it uses less digits than its factorization.

450533142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029627 (or 25029624 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 450533142 is about 21225.7659932451. The cubic root of 450533142 is about 766.6119438782.

Adding to 450533142 its reverse (241335054), we get a palindrome (691868196).

The spelling of 450533142 in words is "four hundred fifty million, five hundred thirty-three thousand, one hundred forty-two".