235142445449 has 2 divisors, whose sum is σ = 235142445450. Its totient is φ = 235142445448.

The previous prime is 235142445427. The next prime is 235142445463. The reversal of 235142445449 is 944544241532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176091015424 + 59051430025 = 419632^2 + 243005^2 .

It is a cyclic number.

It is not a de Polignac number, because 235142445449 - 2¹² = 235142441353 is a prime.

It is a super-3 number, since 3×235142445449³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (235142445749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117571222724 + 117571222725.

It is an arithmetic number, because the mean of its divisors is an integer number (117571222725).

Almost surely, 2^235142445449 is an apocalyptic number.

It is an amenable number.

235142445449 is a deficient number, since it is larger than the sum of its proper divisors (1).

235142445449 is an equidigital number, since it uses as much as digits as its factorization.

235142445449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 47.

The spelling of 235142445449 in words is "two hundred thirty-five billion, one hundred forty-two million, four hundred forty-five thousand, four hundred forty-nine".