133043145 has 16 divisors (see below), whose sum is σ = 214049472. Its totient is φ = 70562880.

The previous prime is 133043129. The next prime is 133043153. The reversal of 133043145 is 541340331.

It is a happy number.

It is not a de Polignac number, because 133043145 - 2⁴ = 133043129 is a prime.

It is a Curzon number.

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, 21787 + ... + 27216.

It is an arithmetic number, because the mean of its divisors is an integer number (13378092).

Almost surely, 2^133043145 is an apocalyptic number.

133043145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133043145 is a deficient number, since it is larger than the sum of its proper divisors (81006327).

133043145 is a wasteful number, since it uses less digits than its factorization.

133043145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49192.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 133043145 is about 11534.4330159744. The cubic root of 133043145 is about 510.5020622986.

Adding to 133043145 its reverse (541340331), we get a palindrome (674383476).

The spelling of 133043145 in words is "one hundred thirty-three million, forty-three thousand, one hundred forty-five".