145584431443 has 16 divisors (see below), whose sum is σ = 167404694400. Its totient is φ = 125213921280.

The previous prime is 145584431383. The next prime is 145584431449. The reversal of 145584431443 is 344134485541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145584431443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145584431393 and 145584431402.

It is not an unprimeable number, because it can be changed into a prime (145584431449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316846 + ... + 625747.

It is an arithmetic number, because the mean of its divisors is an integer number (10462793400).

Almost surely, 2^145584431443 is an apocalyptic number.

145584431443 is a deficient number, since it is larger than the sum of its proper divisors (21820262957).

145584431443 is a wasteful number, since it uses less digits than its factorization.

145584431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943362.

The product of its digits is 1843200, while the sum is 46.

The spelling of 145584431443 in words is "one hundred forty-five billion, five hundred eighty-four million, four hundred thirty-one thousand, four hundred forty-three".