148725173 has 2 divisors, whose sum is σ = 148725174. Its totient is φ = 148725172.

The previous prime is 148725139. The next prime is 148725223. The reversal of 148725173 is 371527841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147816964 + 908209 = 12158^2 + 953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148725173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148725113) 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, 74362586 + 74362587.

It is an arithmetic number, because the mean of its divisors is an integer number (74362587).

Almost surely, 2^148725173 is an apocalyptic number.

It is an amenable number.

148725173 is a deficient number, since it is larger than the sum of its proper divisors (1).

148725173 is an equidigital number, since it uses as much as digits as its factorization.

148725173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 148725173 is about 12195.2930674092. The cubic root of 148725173 is about 529.8197714002.

The spelling of 148725173 in words is "one hundred forty-eight million, seven hundred twenty-five thousand, one hundred seventy-three".