148822273 has 2 divisors, whose sum is σ = 148822274. Its totient is φ = 148822272.

The previous prime is 148822189. The next prime is 148822277. The reversal of 148822273 is 372228841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 51365889 = 9872^2 + 7167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148822273 is a prime.

It is not a weakly prime, because it can be changed into another prime (148822277) 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, 74411136 + 74411137.

It is an arithmetic number, because the mean of its divisors is an integer number (74411137).

Almost surely, 2^148822273 is an apocalyptic number.

It is an amenable number.

148822273 is a deficient number, since it is larger than the sum of its proper divisors (1).

148822273 is an equidigital number, since it uses as much as digits as its factorization.

148822273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 148822273 is about 12199.2734619731. The cubic root of 148822273 is about 529.9350495939.

The spelling of 148822273 in words is "one hundred forty-eight million, eight hundred twenty-two thousand, two hundred seventy-three".