148370813 has 2 divisors, whose sum is σ = 148370814. Its totient is φ = 148370812.

The previous prime is 148370771. The next prime is 148370819. The reversal of 148370813 is 318073841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92987449 + 55383364 = 9643^2 + 7442^2 .

It is a cyclic number.

It is not a de Polignac number, because 148370813 - 2¹⁰ = 148369789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148370819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74185406 + 74185407.

It is an arithmetic number, because the mean of its divisors is an integer number (74185407).

Almost surely, 2^148370813 is an apocalyptic number.

It is an amenable number.

148370813 is a deficient number, since it is larger than the sum of its proper divisors (1).

148370813 is an equidigital number, since it uses as much as digits as its factorization.

148370813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 148370813 is about 12180.7558468266. The cubic root of 148370813 is about 529.3986451043.

The spelling of 148370813 in words is "one hundred forty-eight million, three hundred seventy thousand, eight hundred thirteen".