141661589 has 2 divisors, whose sum is σ = 141661590. Its totient is φ = 141661588.

The previous prime is 141661547. The next prime is 141661621. The reversal of 141661589 is 985166141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 48539089 = 9650^2 + 6967^2 .

It is an emirp because it is prime and its reverse (985166141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141661589 - 2¹² = 141657493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141661529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70830794 + 70830795.

It is an arithmetic number, because the mean of its divisors is an integer number (70830795).

Almost surely, 2^141661589 is an apocalyptic number.

It is an amenable number.

141661589 is a deficient number, since it is larger than the sum of its proper divisors (1).

141661589 is an equidigital number, since it uses as much as digits as its factorization.

141661589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The square root of 141661589 is about 11902.1674076615. The cubic root of 141661589 is about 521.2955724273.

The spelling of 141661589 in words is "one hundred forty-one million, six hundred sixty-one thousand, five hundred eighty-nine".