30161254 has 8 divisors (see below), whose sum is σ = 45276840. Its totient is φ = 15068976.

The previous prime is 30161249. The next prime is 30161269. The reversal of 30161254 is 45216103.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (5659605).

Almost surely, 2^30161254 is an apocalyptic number.

30161254 is a deficient number, since it is larger than the sum of its proper divisors (15115586).

30161254 is a wasteful number, since it uses less digits than its factorization.

30161254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30161254 is about 5491.9262558778. The cubic root of 30161254 is about 311.2789823713.

Adding to 30161254 its reverse (45216103), we get a palindrome (75377357).

The spelling of 30161254 in words is "thirty million, one hundred sixty-one thousand, two hundred fifty-four".