145637749390589 has 2 divisors, whose sum is σ = 145637749390590. Its totient is φ = 145637749390588.

The previous prime is 145637749390579. The next prime is 145637749390643. The reversal of 145637749390589 is 985093947736541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124499290305625 + 21138459084964 = 11157925^2 + 4597658^2 .

It is a cyclic number.

It is not a de Polignac number, because 145637749390589 - 2²⁰ = 145637748342013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145637749390579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72818874695294 + 72818874695295.

It is an arithmetic number, because the mean of its divisors is an integer number (72818874695295).

Almost surely, 2^{145637749390589} is an apocalyptic number.

It is an amenable number.

145637749390589 is a deficient number, since it is larger than the sum of its proper divisors (1).

145637749390589 is an equidigital number, since it uses as much as digits as its factorization.

145637749390589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6172588800, while the sum is 80.

The spelling of 145637749390589 in words is "one hundred forty-five trillion, six hundred thirty-seven billion, seven hundred forty-nine million, three hundred ninety thousand, five hundred eighty-nine".