133545480 has 64 divisors (see below), whose sum is σ = 401544000. Its totient is φ = 35531520.

The previous prime is 133545473. The next prime is 133545491. The reversal of 133545480 is 84545331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67546 + ... + 69494.

It is an arithmetic number, because the mean of its divisors is an integer number (6274125).

Almost surely, 2^133545480 is an apocalyptic number.

133545480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133545480 is an abundant number, since it is smaller than the sum of its proper divisors (267998520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133545480 is a wasteful number, since it uses less digits than its factorization.

133545480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 133545480 is about 11556.1879527810. The cubic root of 133545480 is about 511.1437613393.

The spelling of 133545480 in words is "one hundred thirty-three million, five hundred forty-five thousand, four hundred eighty".