133532245 has 32 divisors (see below), whose sum is σ = 201424896. Its totient is φ = 82555200.

The previous prime is 133532239. The next prime is 133532249. The reversal of 133532245 is 542235331.

It is not a de Polignac number, because 133532245 - 2⁹ = 133531733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133532249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47530 + ... + 50260.

It is an arithmetic number, because the mean of its divisors is an integer number (6294528).

Almost surely, 2^133532245 is an apocalyptic number.

It is an amenable number.

133532245 is a deficient number, since it is larger than the sum of its proper divisors (67892651).

133532245 is a wasteful number, since it uses less digits than its factorization.

133532245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its digits is 10800, while the sum is 28.

The square root of 133532245 is about 11555.6153016618. The cubic root of 133532245 is about 511.1268751789.

Adding to 133532245 its reverse (542235331), we get a palindrome (675767576).

The spelling of 133532245 in words is "one hundred thirty-three million, five hundred thirty-two thousand, two hundred forty-five".