145431020545033 has 2 divisors, whose sum is σ = 145431020545034. Its totient is φ = 145431020545032.

The previous prime is 145431020544991. The next prime is 145431020545061. The reversal of 145431020545033 is 330545020134541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113430423738384 + 32000596806649 = 10650372^2 + 5656907^2 .

It is a cyclic number.

It is not a de Polignac number, because 145431020545033 - 2²⁹ = 145430483674121 is a prime.

It is not a weakly prime, because it can be changed into another prime (145431020545133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72715510272516 + 72715510272517.

It is an arithmetic number, because the mean of its divisors is an integer number (72715510272517).

Almost surely, 2^{145431020545033} is an apocalyptic number.

It is an amenable number.

145431020545033 is a deficient number, since it is larger than the sum of its proper divisors (1).

145431020545033 is an equidigital number, since it uses as much as digits as its factorization.

145431020545033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 145431020545033 its reverse (330545020134541), we get a palindrome (475976040679574).

The spelling of 145431020545033 in words is "one hundred forty-five trillion, four hundred thirty-one billion, twenty million, five hundred forty-five thousand, thirty-three".