133174945 has 16 divisors (see below), whose sum is σ = 167110272. Its totient is φ = 101692800.

The previous prime is 133174919. The next prime is 133174967. The reversal of 133174945 is 549471331.

It is not a de Polignac number, because 133174945 - 2¹⁷ = 133043873 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73045 + ... + 74845.

It is an arithmetic number, because the mean of its divisors is an integer number (10444392).

Almost surely, 2^133174945 is an apocalyptic number.

It is an amenable number.

133174945 is a deficient number, since it is larger than the sum of its proper divisors (33935327).

133174945 is a wasteful number, since it uses less digits than its factorization.

133174945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its digits is 45360, while the sum is 37.

The square root of 133174945 is about 11540.1449297658. The cubic root of 133174945 is about 510.6705839852.

The spelling of 133174945 in words is "one hundred thirty-three million, one hundred seventy-four thousand, nine hundred forty-five".