147036661 has 2 divisors, whose sum is σ = 147036662. Its totient is φ = 147036660.

The previous prime is 147036607. The next prime is 147036671. The reversal of 147036661 is 166630741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121220100 + 25816561 = 11010^2 + 5081^2 .

It is a cyclic number.

It is not a de Polignac number, because 147036661 - 2¹⁷ = 146905589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147036671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73518330 + 73518331.

It is an arithmetic number, because the mean of its divisors is an integer number (73518331).

Almost surely, 2^147036661 is an apocalyptic number.

It is an amenable number.

147036661 is a deficient number, since it is larger than the sum of its proper divisors (1).

147036661 is an equidigital number, since it uses as much as digits as its factorization.

147036661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 147036661 is about 12125.8674328891. The cubic root of 147036661 is about 527.8070789010.

The spelling of 147036661 in words is "one hundred forty-seven million, thirty-six thousand, six hundred sixty-one".