147805873 has 2 divisors, whose sum is σ = 147805874. Its totient is φ = 147805872.

The previous prime is 147805811. The next prime is 147805877. The reversal of 147805873 is 378508741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134026929 + 13778944 = 11577^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 147805873 - 2¹³ = 147797681 is a prime.

It is not a weakly prime, because it can be changed into another prime (147805877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73902936 + 73902937.

It is an arithmetic number, because the mean of its divisors is an integer number (73902937).

Almost surely, 2^147805873 is an apocalyptic number.

It is an amenable number.

147805873 is a deficient number, since it is larger than the sum of its proper divisors (1).

147805873 is an equidigital number, since it uses as much as digits as its factorization.

147805873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 147805873 is about 12157.5438720163. The cubic root of 147805873 is about 528.7258738179.

The spelling of 147805873 in words is "one hundred forty-seven million, eight hundred five thousand, eight hundred seventy-three".