450054100 has 18 divisors (see below), whose sum is σ = 976617614. Its totient is φ = 180021600.

The previous prime is 450054047. The next prime is 450054127. The reversal of 450054100 is 1450054.

It can be written as a sum of positive squares in 3 ways, for example, as 698896 + 449355204 = 836^2 + 21198^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2250171 + ... + 2250370.

Almost surely, 2^450054100 is an apocalyptic number.

It is an amenable number.

450054100 is an abundant number, since it is smaller than the sum of its proper divisors (526563514).

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

450054100 is a wasteful number, since it uses less digits than its factorization.

450054100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500555 (or 4500548 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 450054100 is about 21214.4785465022. The cubic root of 450054100 is about 766.3401403040.

The spelling of 450054100 in words is "four hundred fifty million, fifty-four thousand, one hundred".