133074145 has 8 divisors (see below), whose sum is σ = 159771240. Its totient is φ = 106404480.

The previous prime is 133074143. The next prime is 133074167. The reversal of 133074145 is 541470331.

It can be written as a sum of positive squares in 4 ways, for example, as 23892544 + 109181601 = 4888^2 + 10449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133074145 - 2¹ = 133074143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133074143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6021 + ... + 17389.

It is an arithmetic number, because the mean of its divisors is an integer number (19971405).

Almost surely, 2^133074145 is an apocalyptic number.

It is an amenable number.

133074145 is a deficient number, since it is larger than the sum of its proper divisors (26697095).

133074145 is a wasteful number, since it uses less digits than its factorization.

133074145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13715.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 133074145 is about 11535.7767402113. The cubic root of 133074145 is about 510.5417094245.

The spelling of 133074145 in words is "one hundred thirty-three million, seventy-four thousand, one hundred forty-five".