148322893 has 2 divisors, whose sum is σ = 148322894. Its totient is φ = 148322892.

The previous prime is 148322833. The next prime is 148322897. The reversal of 148322893 is 398223841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130370724 + 17952169 = 11418^2 + 4237^2 .

It is an emirp because it is prime and its reverse (398223841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148322893 - 2¹³ = 148314701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148322897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74161446 + 74161447.

It is an arithmetic number, because the mean of its divisors is an integer number (74161447).

Almost surely, 2^148322893 is an apocalyptic number.

It is an amenable number.

148322893 is a deficient number, since it is larger than the sum of its proper divisors (1).

148322893 is an equidigital number, since it uses as much as digits as its factorization.

148322893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 148322893 is about 12178.7886507649. The cubic root of 148322893 is about 529.3416448669.

The spelling of 148322893 in words is "one hundred forty-eight million, three hundred twenty-two thousand, eight hundred ninety-three".