148871603 has 2 divisors, whose sum is σ = 148871604. Its totient is φ = 148871602.

The previous prime is 148871599. The next prime is 148871687. The reversal of 148871603 is 306178841.

It is a weak prime.

It is an emirp because it is prime and its reverse (306178841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148871603 - 2² = 148871599 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148871693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74435801 + 74435802.

It is an arithmetic number, because the mean of its divisors is an integer number (74435802).

Almost surely, 2^148871603 is an apocalyptic number.

148871603 is a deficient number, since it is larger than the sum of its proper divisors (1).

148871603 is an equidigital number, since it uses as much as digits as its factorization.

148871603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 148871603 is about 12201.2951361730. The cubic root of 148871603 is about 529.9935955082.

The spelling of 148871603 in words is "one hundred forty-eight million, eight hundred seventy-one thousand, six hundred three".