148041779 has 2 divisors, whose sum is σ = 148041780. Its totient is φ = 148041778.

The previous prime is 148041769. The next prime is 148041821. The reversal of 148041779 is 977140841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148041779 - 2²⁴ = 131264563 is a prime.

It is not a weakly prime, because it can be changed into another prime (148041739) 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, 74020889 + 74020890.

It is an arithmetic number, because the mean of its divisors is an integer number (74020890).

Almost surely, 2^148041779 is an apocalyptic number.

148041779 is a deficient number, since it is larger than the sum of its proper divisors (1).

148041779 is an equidigital number, since it uses as much as digits as its factorization.

148041779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 148041779 is about 12167.2420457555. The cubic root of 148041779 is about 529.0070157957.

The spelling of 148041779 in words is "one hundred forty-eight million, forty-one thousand, seven hundred seventy-nine".