30234155 has 8 divisors (see below), whose sum is σ = 41464032. Its totient is φ = 20731968.

The previous prime is 30234133. The next prime is 30234157. The reversal of 30234155 is 55143203.

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 30234155 - 2¹⁰ = 30233131 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 30234155.

It is not an unprimeable number, because it can be changed into a prime (30234157) 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, 431882 + ... + 431951.

It is an arithmetic number, because the mean of its divisors is an integer number (5183004).

Almost surely, 2^30234155 is an apocalyptic number.

30234155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30234155 is a deficient number, since it is larger than the sum of its proper divisors (11229877).

30234155 is an equidigital number, since it uses as much as digits as its factorization.

30234155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863845.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 30234155 is about 5498.5593567770. The cubic root of 30234155 is about 311.5295719817.

Adding to 30234155 its reverse (55143203), we get a palindrome (85377358).

The spelling of 30234155 in words is "thirty million, two hundred thirty-four thousand, one hundred fifty-five".