145717431443 has 8 divisors (see below), whose sum is σ = 153841930320. Its totient is φ = 137638448640.

The previous prime is 145717431397. The next prime is 145717431463. The reversal of 145717431443 is 344134717541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145717431443 - 2¹⁶ = 145717365907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145717431394 and 145717431403.

It is not an unprimeable number, because it can be changed into a prime (145717431463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11372438 + ... + 11385243.

It is an arithmetic number, because the mean of its divisors is an integer number (19230241290).

Almost surely, 2^145717431443 is an apocalyptic number.

145717431443 is a deficient number, since it is larger than the sum of its proper divisors (8124498877).

145717431443 is a wasteful number, since it uses less digits than its factorization.

145717431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758037.

The product of its digits is 564480, while the sum is 44.

The spelling of 145717431443 in words is "one hundred forty-five billion, seven hundred seventeen million, four hundred thirty-one thousand, four hundred forty-three".