133495245 has 24 divisors (see below), whose sum is σ = 249192216. Its totient is φ = 65720448.

The previous prime is 133495213. The next prime is 133495249. The reversal of 133495245 is 542594331.

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 132779529 = 846^2 + 11523^2 .

It is not a de Polignac number, because 133495245 - 2⁵ = 133495213 is a prime.

It is a super-2 number, since 2×133495245² = 35641960875220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133495249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113514 + ... + 114683.

It is an arithmetic number, because the mean of its divisors is an integer number (10383009).

Almost surely, 2^133495245 is an apocalyptic number.

133495245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133495245 is a deficient number, since it is larger than the sum of its proper divisors (115696971).

133495245 is a wasteful number, since it uses less digits than its factorization.

133495245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228221 (or 228218 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 133495245 is about 11554.0142374847. The cubic root of 133495245 is about 511.0796620098.

The spelling of 133495245 in words is "one hundred thirty-three million, four hundred ninety-five thousand, two hundred forty-five".