30154532243 has 4 divisors (see below), whose sum is σ = 32895853368. Its totient is φ = 27413211120.

The previous prime is 30154532231. The next prime is 30154532273. The reversal of 30154532243 is 34223545103.

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 30154532243 - 2⁴ = 30154532227 is a prime.

It is a super-2 number, since 2×30154532243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30154532273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1370660546 + ... + 1370660567.

It is an arithmetic number, because the mean of its divisors is an integer number (8223963342).

Almost surely, 2^30154532243 is an apocalyptic number.

30154532243 is a deficient number, since it is larger than the sum of its proper divisors (2741321125).

30154532243 is a wasteful number, since it uses less digits than its factorization.

30154532243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741321124.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 30154532243 in words is "thirty billion, one hundred fifty-four million, five hundred thirty-two thousand, two hundred forty-three".