30450133 has 8 divisors (see below), whose sum is σ = 34901568. Its totient is φ = 26024064.

The previous prime is 30450089. The next prime is 30450139. The reversal of 30450133 is 33105403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30450133 - 2¹³ = 30441941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30450133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30450139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3691 + ... + 8632.

It is an arithmetic number, because the mean of its divisors is an integer number (4362696).

Almost surely, 2^30450133 is an apocalyptic number.

It is an amenable number.

30450133 is a deficient number, since it is larger than the sum of its proper divisors (4451435).

30450133 is a wasteful number, since it uses less digits than its factorization.

30450133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30450133 is about 5518.1639156517. The cubic root of 30450133 is about 312.2696175049.

Adding to 30450133 its reverse (33105403), we get a palindrome (63555536).

The spelling of 30450133 in words is "thirty million, four hundred fifty thousand, one hundred thirty-three".