145443420644703 has 16 divisors (see below), whose sum is σ = 206003879241600. Its totient is φ = 91016259366240.

The previous prime is 145443420644701. The next prime is 145443420644723. The reversal of 145443420644703 is 307446024344541.

It is not a de Polignac number, because 145443420644703 - 2¹ = 145443420644701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145443420644701) 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, 11704759653 + ... + 11704772078.

It is an arithmetic number, because the mean of its divisors is an integer number (12875242452600).

Almost surely, 2^{145443420644703} is an apocalyptic number.

145443420644703 is a deficient number, since it is larger than the sum of its proper divisors (60560458596897).

145443420644703 is a wasteful number, since it uses less digits than its factorization.

145443420644703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409531862.

The product of its (nonzero) digits is 15482880, while the sum is 51.

The spelling of 145443420644703 in words is "one hundred forty-five trillion, four hundred forty-three billion, four hundred twenty million, six hundred forty-four thousand, seven hundred three".