133455245 has 32 divisors (see below), whose sum is σ = 206565120. Its totient is φ = 80317440.

The previous prime is 133455241. The next prime is 133455247. The reversal of 133455245 is 542554331.

It is a happy number.

It is not a de Polignac number, because 133455245 - 2² = 133455241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133455241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5189 + ... + 17141.

It is an arithmetic number, because the mean of its divisors is an integer number (6455160).

Almost surely, 2^133455245 is an apocalyptic number.

It is an amenable number.

133455245 is a deficient number, since it is larger than the sum of its proper divisors (73109875).

133455245 is a wasteful number, since it uses less digits than its factorization.

133455245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005.

The product of its digits is 36000, while the sum is 32.

The square root of 133455245 is about 11552.2831076805. The cubic root of 133455245 is about 511.0286109314.

The spelling of 133455245 in words is "one hundred thirty-three million, four hundred fifty-five thousand, two hundred forty-five".