450090051 has 4 divisors (see below), whose sum is σ = 600120072. Its totient is φ = 300060032.

The previous prime is 450090049. The next prime is 450090083. The reversal of 450090051 is 150090054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450090051 - 2¹ = 450090049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450080051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75015006 + ... + 75015011.

It is an arithmetic number, because the mean of its divisors is an integer number (150030018).

Almost surely, 2^450090051 is an apocalyptic number.

450090051 is a deficient number, since it is larger than the sum of its proper divisors (150030021).

450090051 is a wasteful number, since it uses less digits than its factorization.

450090051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150030020.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 450090051 is about 21215.3258518459. The cubic root of 450090051 is about 766.3605452292.

The spelling of 450090051 in words is "four hundred fifty million, ninety thousand, fifty-one".