145841768243 has 4 divisors (see below), whose sum is σ = 148313662680. Its totient is φ = 143369873808.

The previous prime is 145841768227. The next prime is 145841768257. The reversal of 145841768243 is 342867148541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145841768243 - 2⁴ = 145841768227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145841768543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235947130 + ... + 1235947247.

It is an arithmetic number, because the mean of its divisors is an integer number (37078415670).

Almost surely, 2^145841768243 is an apocalyptic number.

145841768243 is a deficient number, since it is larger than the sum of its proper divisors (2471894437).

145841768243 is an equidigital number, since it uses as much as digits as its factorization.

145841768243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471894436.

The product of its digits is 5160960, while the sum is 53.

The spelling of 145841768243 in words is "one hundred forty-five billion, eight hundred forty-one million, seven hundred sixty-eight thousand, two hundred forty-three".