133072045 has 12 divisors (see below), whose sum is σ = 161344980. Its totient is φ = 105363200.

The previous prime is 133072033. The next prime is 133072061. The reversal of 133072045 is 540270331.

It can be written as a sum of positive squares in 6 ways, for example, as 31203396 + 101868649 = 5586^2 + 10093^2 .

It is not a de Polignac number, because 133072045 - 2¹¹ = 133069997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49701 + ... + 52309.

It is an arithmetic number, because the mean of its divisors is an integer number (13445415).

Almost surely, 2^133072045 is an apocalyptic number.

It is an amenable number.

133072045 is a deficient number, since it is larger than the sum of its proper divisors (28272935).

133072045 is an equidigital number, since it uses as much as digits as its factorization.

133072045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 133072045 is about 11535.6857186732. The cubic root of 133072045 is about 510.5390238459.

The spelling of 133072045 in words is "one hundred thirty-three million, seventy-two thousand, forty-five".