145432235189 has 2 divisors, whose sum is σ = 145432235190. Its totient is φ = 145432235188.

The previous prime is 145432235159. The next prime is 145432235197. The reversal of 145432235189 is 981532234541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83422768900 + 62009466289 = 288830^2 + 249017^2 .

It is a cyclic number.

It is not a de Polignac number, because 145432235189 - 2²⁰ = 145431186613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145432235149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72716117594 + 72716117595.

It is an arithmetic number, because the mean of its divisors is an integer number (72716117595).

Almost surely, 2^145432235189 is an apocalyptic number.

It is an amenable number.

145432235189 is a deficient number, since it is larger than the sum of its proper divisors (1).

145432235189 is an equidigital number, since it uses as much as digits as its factorization.

145432235189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The spelling of 145432235189 in words is "one hundred forty-five billion, four hundred thirty-two million, two hundred thirty-five thousand, one hundred eighty-nine".