240045133 has 2 divisors, whose sum is σ = 240045134. Its totient is φ = 240045132.

The previous prime is 240045103. The next prime is 240045139. The reversal of 240045133 is 331540042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238795209 + 1249924 = 15453^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 240045133 - 2¹³ = 240036941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240045139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022566 + 120022567.

It is an arithmetic number, because the mean of its divisors is an integer number (120022567).

Almost surely, 2^240045133 is an apocalyptic number.

It is an amenable number.

240045133 is a deficient number, since it is larger than the sum of its proper divisors (1).

240045133 is an equidigital number, since it uses as much as digits as its factorization.

240045133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 240045133 is about 15493.3899776647. The cubic root of 240045133 is about 621.4854539504.

Adding to 240045133 its reverse (331540042), we get a palindrome (571585175).

The spelling of 240045133 in words is "two hundred forty million, forty-five thousand, one hundred thirty-three".