148375261 has 2 divisors, whose sum is σ = 148375262. Its totient is φ = 148375260.

The previous prime is 148375259. The next prime is 148375267. The reversal of 148375261 is 162573841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93896100 + 54479161 = 9690^2 + 7381^2 .

It is a cyclic number.

It is not a de Polignac number, because 148375261 - 2¹ = 148375259 is a prime.

Together with 148375259, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 148375261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148375267) 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, 74187630 + 74187631.

It is an arithmetic number, because the mean of its divisors is an integer number (74187631).

Almost surely, 2^148375261 is an apocalyptic number.

It is an amenable number.

148375261 is a deficient number, since it is larger than the sum of its proper divisors (1).

148375261 is an equidigital number, since it uses as much as digits as its factorization.

148375261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 148375261 is about 12180.9384285448. The cubic root of 148375261 is about 529.4039353219.

The spelling of 148375261 in words is "one hundred forty-eight million, three hundred seventy-five thousand, two hundred sixty-one".