30450250153 has 4 divisors (see below), whose sum is σ = 30450617428. Its totient is φ = 30449882880.

The previous prime is 30450250151. The next prime is 30450250223. The reversal of 30450250153 is 35105205403.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35105205403 = 2153 ⋅16305251.

It can be written as a sum of positive squares in 2 ways, for example, as 21784874409 + 8665375744 = 147597^2 + 93088^2 .

It is a cyclic number.

It is not a de Polignac number, because 30450250153 - 2¹ = 30450250151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30450250151) 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, 6013 + ... + 246853.

It is an arithmetic number, because the mean of its divisors is an integer number (7612654357).

Almost surely, 2^30450250153 is an apocalyptic number.

It is an amenable number.

30450250153 is a deficient number, since it is larger than the sum of its proper divisors (367275).

30450250153 is a wasteful number, since it uses less digits than its factorization.

30450250153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367274.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 30450250153 its reverse (35105205403), we get a palindrome (65555455556).

The spelling of 30450250153 in words is "thirty billion, four hundred fifty million, two hundred fifty thousand, one hundred fifty-three".