133357245 has 32 divisors (see below), whose sum is σ = 244328448. Its totient is φ = 60844608.

The previous prime is 133357229. The next prime is 133357267. The reversal of 133357245 is 542753331.

It is not a de Polignac number, because 133357245 - 2⁴ = 133357229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75462 + ... + 77208.

It is an arithmetic number, because the mean of its divisors is an integer number (7635264).

Almost surely, 2^133357245 is an apocalyptic number.

133357245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133357245 is a deficient number, since it is larger than the sum of its proper divisors (110971203).

133357245 is a wasteful number, since it uses less digits than its factorization.

133357245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its digits is 37800, while the sum is 33.

The square root of 133357245 is about 11548.0407429139. The cubic root of 133357245 is about 510.9034926631.

The spelling of 133357245 in words is "one hundred thirty-three million, three hundred fifty-seven thousand, two hundred forty-five".