450125554 has 8 divisors (see below), whose sum is σ = 677626668. Its totient is φ = 224250000.

The previous prime is 450125551. The next prime is 450125569. The reversal of 450125554 is 455521054.

It can be written as a sum of positive squares in 2 ways, for example, as 355511025 + 94614529 = 18855^2 + 9727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×450125554² = 405226028727613832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450125551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405697 + ... + 406804.

Almost surely, 2^450125554 is an apocalyptic number.

450125554 is a deficient number, since it is larger than the sum of its proper divisors (227501114).

450125554 is a wasteful number, since it uses less digits than its factorization.

450125554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812780.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 450125554 is about 21216.1625653651. The cubic root of 450125554 is about 766.3806948141.

The spelling of 450125554 in words is "four hundred fifty million, one hundred twenty-five thousand, five hundred fifty-four".