450154550 has 24 divisors (see below), whose sum is σ = 838137576. Its totient is φ = 179879040.

The previous prime is 450154541. The next prime is 450154583. The reversal of 450154550 is 55451054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52142 + ... + 60158.

It is an arithmetic number, because the mean of its divisors is an integer number (34922399).

Almost surely, 2^450154550 is an apocalyptic number.

450154550 is a deficient number, since it is larger than the sum of its proper divisors (387983026).

450154550 is a wasteful number, since it uses less digits than its factorization.

450154550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 450154550 is about 21216.8459013115. The cubic root of 450154550 is about 766.3971505913.

The spelling of 450154550 in words is "four hundred fifty million, one hundred fifty-four thousand, five hundred fifty".