133494245 has 16 divisors (see below), whose sum is σ = 162313200. Its totient is φ = 105391104.

The previous prime is 133494233. The next prime is 133494259. The reversal of 133494245 is 542494331.

It can be written as a sum of positive squares in 8 ways, for example, as 829921 + 132664324 = 911^2 + 11518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133494245 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 196847 + ... + 197523.

It is an arithmetic number, because the mean of its divisors is an integer number (10144575).

Almost surely, 2^133494245 is an apocalyptic number.

It is an amenable number.

133494245 is a deficient number, since it is larger than the sum of its proper divisors (28818955).

133494245 is a wasteful number, since it uses less digits than its factorization.

133494245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its digits is 51840, while the sum is 35.

The square root of 133494245 is about 11553.9709624008. The cubic root of 133494245 is about 511.0783858572.

The spelling of 133494245 in words is "one hundred thirty-three million, four hundred ninety-four thousand, two hundred forty-five".