245380133 has 2 divisors, whose sum is σ = 245380134. Its totient is φ = 245380132.

The previous prime is 245380127. The next prime is 245380151. The reversal of 245380133 is 331083542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148888804 + 96491329 = 12202^2 + 9823^2 .

It is a cyclic number.

It is not a de Polignac number, because 245380133 - 2¹⁸ = 245117989 is a prime.

It is a super-2 number, since 2×245380133² = 120422819342195378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245380096 and 245380105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245380103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122690066 + 122690067.

It is an arithmetic number, because the mean of its divisors is an integer number (122690067).

Almost surely, 2^245380133 is an apocalyptic number.

It is an amenable number.

245380133 is a deficient number, since it is larger than the sum of its proper divisors (1).

245380133 is an equidigital number, since it uses as much as digits as its factorization.

245380133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 245380133 is about 15664.6140392925. The cubic root of 245380133 is about 626.0559285126.

The spelling of 245380133 in words is "two hundred forty-five million, three hundred eighty thousand, one hundred thirty-three".