148087811 has 2 divisors, whose sum is σ = 148087812. Its totient is φ = 148087810.

The previous prime is 148087783. The next prime is 148087813. The reversal of 148087811 is 118780841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148087811 is a prime.

Together with 148087813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148087813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74043905 + 74043906.

It is an arithmetic number, because the mean of its divisors is an integer number (74043906).

Almost surely, 2^148087811 is an apocalyptic number.

148087811 is a deficient number, since it is larger than the sum of its proper divisors (1).

148087811 is an equidigital number, since it uses as much as digits as its factorization.

148087811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 148087811 is about 12169.1335353015. The cubic root of 148087811 is about 529.0618397957.

The spelling of 148087811 in words is "one hundred forty-eight million, eighty-seven thousand, eight hundred eleven".