30111245 has 8 divisors (see below), whose sum is σ = 36591360. Its totient is φ = 23783760.

The previous prime is 30111241. The next prime is 30111271. The reversal of 30111245 is 54211103.

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

It is not a de Polignac number, because 30111245 - 2² = 30111241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111241) 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, 37721 + ... + 38510.

It is an arithmetic number, because the mean of its divisors is an integer number (4573920).

Almost surely, 2^30111245 is an apocalyptic number.

It is an amenable number.

30111245 is a deficient number, since it is larger than the sum of its proper divisors (6480115).

30111245 is an equidigital number, since it uses as much as digits as its factorization.

30111245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76315.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 30111245 is about 5487.3714107941. The cubic root of 30111245 is about 311.1068480378.

Adding to 30111245 its reverse (54211103), we get a palindrome (84322348).

The spelling of 30111245 in words is "thirty million, one hundred eleven thousand, two hundred forty-five".