148439783 has 2 divisors, whose sum is σ = 148439784. Its totient is φ = 148439782.

The previous prime is 148439737. The next prime is 148439813. The reversal of 148439783 is 387934841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148439783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148439713) 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, 74219891 + 74219892.

It is an arithmetic number, because the mean of its divisors is an integer number (74219892).

Almost surely, 2^148439783 is an apocalyptic number.

148439783 is a deficient number, since it is larger than the sum of its proper divisors (1).

148439783 is an equidigital number, since it uses as much as digits as its factorization.

148439783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 148439783 is about 12183.5866229941. The cubic root of 148439783 is about 529.4806625120.

The spelling of 148439783 in words is "one hundred forty-eight million, four hundred thirty-nine thousand, seven hundred eighty-three".