147342661 has 2 divisors, whose sum is σ = 147342662. Its totient is φ = 147342660.

The previous prime is 147342617. The next prime is 147342667. The reversal of 147342661 is 166243741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146652100 + 690561 = 12110^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 147342661 - 2⁹ = 147342149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147342667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73671330 + 73671331.

It is an arithmetic number, because the mean of its divisors is an integer number (73671331).

Almost surely, 2^147342661 is an apocalyptic number.

It is an amenable number.

147342661 is a deficient number, since it is larger than the sum of its proper divisors (1).

147342661 is an equidigital number, since it uses as much as digits as its factorization.

147342661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 147342661 is about 12138.4785290414. The cubic root of 147342661 is about 528.1729673692.

The spelling of 147342661 in words is "one hundred forty-seven million, three hundred forty-two thousand, six hundred sixty-one".