148345877 has 2 divisors, whose sum is σ = 148345878. Its totient is φ = 148345876.

The previous prime is 148345867. The next prime is 148345889. The reversal of 148345877 is 778543841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76282756 + 72063121 = 8734^2 + 8489^2 .

It is an emirp because it is prime and its reverse (778543841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148345877 - 2⁴ = 148345861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148345867) 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, 74172938 + 74172939.

It is an arithmetic number, because the mean of its divisors is an integer number (74172939).

Almost surely, 2^148345877 is an apocalyptic number.

It is an amenable number.

148345877 is a deficient number, since it is larger than the sum of its proper divisors (1).

148345877 is an equidigital number, since it uses as much as digits as its factorization.

148345877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 148345877 is about 12179.7322220154. The cubic root of 148345877 is about 529.3689855777.

The spelling of 148345877 in words is "one hundred forty-eight million, three hundred forty-five thousand, eight hundred seventy-seven".