153445043243 has 2 divisors, whose sum is σ = 153445043244. Its totient is φ = 153445043242.

The previous prime is 153445043231. The next prime is 153445043267. The reversal of 153445043243 is 342340544351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 153445043243 - 2⁸ = 153445042987 is a prime.

It is a super-2 number, since 2×153445043243² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153445043197 and 153445043206.

It is not a weakly prime, because it can be changed into another prime (153445046243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76722521621 + 76722521622.

It is an arithmetic number, because the mean of its divisors is an integer number (76722521622).

Almost surely, 2^153445043243 is an apocalyptic number.

153445043243 is a deficient number, since it is larger than the sum of its proper divisors (1).

153445043243 is an equidigital number, since it uses as much as digits as its factorization.

153445043243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 153445043243 its reverse (342340544351), we get a palindrome (495785587594).

The spelling of 153445043243 in words is "one hundred fifty-three billion, four hundred forty-five million, forty-three thousand, two hundred forty-three".