148810973 has 2 divisors, whose sum is σ = 148810974. Its totient is φ = 148810972.

The previous prime is 148810933. The next prime is 148810997. The reversal of 148810973 is 379018841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147816964 + 994009 = 12158^2 + 997^2 .

It is an emirp because it is prime and its reverse (379018841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148810973 - 2¹⁰ = 148809949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148810973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148810933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74405486 + 74405487.

It is an arithmetic number, because the mean of its divisors is an integer number (74405487).

Almost surely, 2^148810973 is an apocalyptic number.

It is an amenable number.

148810973 is a deficient number, since it is larger than the sum of its proper divisors (1).

148810973 is an equidigital number, since it uses as much as digits as its factorization.

148810973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 148810973 is about 12198.8103108459. The cubic root of 148810973 is about 529.9216366875.

The spelling of 148810973 in words is "one hundred forty-eight million, eight hundred ten thousand, nine hundred seventy-three".