450015030 has 24 divisors (see below), whose sum is σ = 1170039312. Its totient is φ = 120003984.

The previous prime is 450015023. The next prime is 450015043. The reversal of 450015030 is 30510054.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 450014994 and 450015012.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2499994 + ... + 2500173.

It is an arithmetic number, because the mean of its divisors is an integer number (48751638).

Almost surely, 2^450015030 is an apocalyptic number.

450015030 is an abundant number, since it is smaller than the sum of its proper divisors (720024282).

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

450015030 is a wasteful number, since it uses less digits than its factorization.

450015030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000180 (or 5000177 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 450015030 is about 21213.5576931358. The cubic root of 450015030 is about 766.3179638769.

Adding to 450015030 its reverse (30510054), we get a palindrome (480525084).

The spelling of 450015030 in words is "four hundred fifty million, fifteen thousand, thirty".