148807973 has 2 divisors, whose sum is σ = 148807974. Its totient is φ = 148807972.

The previous prime is 148807963. The next prime is 148808017. The reversal of 148807973 is 379708841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134954689 + 13853284 = 11617^2 + 3722^2 .

It is a cyclic number.

It is not a de Polignac number, because 148807973 - 2⁸ = 148807717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148807913) 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, 74403986 + 74403987.

It is an arithmetic number, because the mean of its divisors is an integer number (74403987).

Almost surely, 2^148807973 is an apocalyptic number.

It is an amenable number.

148807973 is a deficient number, since it is larger than the sum of its proper divisors (1).

148807973 is an equidigital number, since it uses as much as digits as its factorization.

148807973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 148807973 is about 12198.6873474157. The cubic root of 148807973 is about 529.9180756249.

The spelling of 148807973 in words is "one hundred forty-eight million, eight hundred seven thousand, nine hundred seventy-three".