30105459 has 16 divisors (see below), whose sum is σ = 46540800. Its totient is φ = 19197288.

The previous prime is 30105437. The next prime is 30105463. The reversal of 30105459 is 95450103.

It is not a de Polignac number, because 30105459 - 2⁷ = 30105331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30105409) 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 15 ways as a sum of consecutive naturals, for example, 23619 + ... + 24860.

It is an arithmetic number, because the mean of its divisors is an integer number (2908800).

Almost surely, 2^30105459 is an apocalyptic number.

30105459 is a deficient number, since it is larger than the sum of its proper divisors (16435341).

30105459 is a wasteful number, since it uses less digits than its factorization.

30105459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48511 (or 48505 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 30105459 is about 5486.8441749333. The cubic root of 30105459 is about 311.0869199397.

The spelling of 30105459 in words is "thirty million, one hundred five thousand, four hundred fifty-nine".