133485345 has 24 divisors (see below), whose sum is σ = 264428736. Its totient is φ = 61021728.

The previous prime is 133485301. The next prime is 133485371. The reversal of 133485345 is 543584331.

133485345 is a `hidden beast` number, since 133 + 485 + 3 + 45 = 666.

It is not a de Polignac number, because 133485345 - 2¹⁶ = 133419809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211567 + ... + 212196.

It is an arithmetic number, because the mean of its divisors is an integer number (11017864).

Almost surely, 2^133485345 is an apocalyptic number.

133485345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133485345 is a deficient number, since it is larger than the sum of its proper divisors (130943391).

133485345 is a wasteful number, since it uses less digits than its factorization.

133485345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423781 (or 423778 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 133485345 is about 11553.5858070125. The cubic root of 133485345 is about 511.0670278177.

The spelling of 133485345 in words is "one hundred thirty-three million, four hundred eighty-five thousand, three hundred forty-five".