450155525 has 6 divisors (see below), whose sum is σ = 558192882. Its totient is φ = 360124400.

The previous prime is 450155491. The next prime is 450155551. The reversal of 450155525 is 525551054.

It can be written as a sum of positive squares in 3 ways, for example, as 8567329 + 441588196 = 2927^2 + 21014^2 .

It is not a de Polignac number, because 450155525 - 2⁸ = 450155269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450155491 and 450155500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9003086 + ... + 9003135.

It is an arithmetic number, because the mean of its divisors is an integer number (93032147).

Almost surely, 2^450155525 is an apocalyptic number.

It is an amenable number.

450155525 is a deficient number, since it is larger than the sum of its proper divisors (108037357).

450155525 is a wasteful number, since it uses less digits than its factorization.

450155525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006231 (or 18006226 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 450155525 is about 21216.8688783242. The cubic root of 450155525 is about 766.3977039099.

The spelling of 450155525 in words is "four hundred fifty million, one hundred fifty-five thousand, five hundred twenty-five".