148809412277 has 2 divisors, whose sum is σ = 148809412278. Its totient is φ = 148809412276.

The previous prime is 148809412261. The next prime is 148809412307. The reversal of 148809412277 is 772214908841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148657284721 + 152127556 = 385561^2 + 12334^2 .

It is a cyclic number.

It is not a de Polignac number, because 148809412277 - 2⁴ = 148809412261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148809412237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74404706138 + 74404706139.

It is an arithmetic number, because the mean of its divisors is an integer number (74404706139).

Almost surely, 2^148809412277 is an apocalyptic number.

It is an amenable number.

148809412277 is a deficient number, since it is larger than the sum of its proper divisors (1).

148809412277 is an equidigital number, since it uses as much as digits as its factorization.

148809412277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 148809412277 in words is "one hundred forty-eight billion, eight hundred nine million, four hundred twelve thousand, two hundred seventy-seven".