145731233243 has 16 divisors (see below), whose sum is σ = 151375754880. Its totient is φ = 140194982400.

The previous prime is 145731233237. The next prime is 145731233257. The reversal of 145731233243 is 342332137541.

145731233243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145731233243 - 2¹⁰ = 145731232219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145731233197 and 145731233206.

It is not an unprimeable number, because it can be changed into a prime (145731233443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284773 + ... + 1393593.

It is an arithmetic number, because the mean of its divisors is an integer number (9460984680).

Almost surely, 2^145731233243 is an apocalyptic number.

145731233243 is a deficient number, since it is larger than the sum of its proper divisors (5644521637).

145731233243 is a wasteful number, since it uses less digits than its factorization.

145731233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109318.

The product of its digits is 181440, while the sum is 38.

The spelling of 145731233243 in words is "one hundred forty-five billion, seven hundred thirty-one million, two hundred thirty-three thousand, two hundred forty-three".