148471791 has 16 divisors (see below), whose sum is σ = 213413760. Its totient is φ = 91271520.

The previous prime is 148471699. The next prime is 148471823. The reversal of 148471791 is 197174841.

It is not a de Polignac number, because 148471791 - 2¹³ = 148463599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148471091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60376 + ... + 62786.

It is an arithmetic number, because the mean of its divisors is an integer number (13338360).

Almost surely, 2^148471791 is an apocalyptic number.

148471791 is a deficient number, since it is larger than the sum of its proper divisors (64941969).

148471791 is a wasteful number, since it uses less digits than its factorization.

148471791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006.

The product of its digits is 56448, while the sum is 42.

The square root of 148471791 is about 12184.9001226928. The cubic root of 148471791 is about 529.5187169983.

The spelling of 148471791 in words is "one hundred forty-eight million, four hundred seventy-one thousand, seven hundred ninety-one".