133032945 has 16 divisors (see below), whose sum is σ = 218606400. Its totient is φ = 69033024.

The previous prime is 133032941. The next prime is 133032961. The reversal of 133032945 is 549230331.

It is not a de Polignac number, because 133032945 - 2² = 133032941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133032941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119295 + ... + 120404.

It is an arithmetic number, because the mean of its divisors is an integer number (13662900).

Almost surely, 2^133032945 is an apocalyptic number.

133032945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133032945 is a deficient number, since it is larger than the sum of its proper divisors (85573455).

133032945 is a wasteful number, since it uses less digits than its factorization.

133032945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239744.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 133032945 is about 11533.9908531262. The cubic root of 133032945 is about 510.4890157687.

The spelling of 133032945 in words is "one hundred thirty-three million, thirty-two thousand, nine hundred forty-five".