450022542 has 16 divisors (see below), whose sum is σ = 900259920. Its totient is φ = 149971712.

The previous prime is 450022541. The next prime is 450022561. The reversal of 450022542 is 245220054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450022541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34528 + ... + 45740.

It is an arithmetic number, because the mean of its divisors is an integer number (56266245).

Almost surely, 2^450022542 is an apocalyptic number.

450022542 is an abundant number, since it is smaller than the sum of its proper divisors (450237378).

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

450022542 is a wasteful number, since it uses less digits than its factorization.

450022542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17907.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 450022542 is about 21213.7347489781. The cubic root of 450022542 is about 766.3222278445.

Adding to 450022542 its reverse (245220054), we get a palindrome (695242596).

The spelling of 450022542 in words is "four hundred fifty million, twenty-two thousand, five hundred forty-two".