133245111 has 16 divisors (see below), whose sum is σ = 186537600. Its totient is φ = 84483168.

The previous prime is 133245071. The next prime is 133245143. The reversal of 133245111 is 111542331.

It is not a de Polignac number, because 133245111 - 2⁹ = 133244599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133245181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601 + ... + 17258.

It is an arithmetic number, because the mean of its divisors is an integer number (11658600).

Almost surely, 2^133245111 is an apocalyptic number.

133245111 is a deficient number, since it is larger than the sum of its proper divisors (53292489).

133245111 is a wasteful number, since it uses less digits than its factorization.

133245111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22958.

The product of its digits is 360, while the sum is 21.

The square root of 133245111 is about 11543.1846125755. The cubic root of 133245111 is about 510.7602540582.

Adding to 133245111 its reverse (111542331), we get a palindrome (244787442).

The spelling of 133245111 in words is "one hundred thirty-three million, two hundred forty-five thousand, one hundred eleven".