148681471 has 2 divisors, whose sum is σ = 148681472. Its totient is φ = 148681470.

The previous prime is 148681451. The next prime is 148681513. The reversal of 148681471 is 174186841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148681471 - 2⁷ = 148681343 is a prime.

It is a super-3 number, since 3×148681471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148681451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74340735 + 74340736.

It is an arithmetic number, because the mean of its divisors is an integer number (74340736).

Almost surely, 2^148681471 is an apocalyptic number.

148681471 is a deficient number, since it is larger than the sum of its proper divisors (1).

148681471 is an equidigital number, since it uses as much as digits as its factorization.

148681471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 40.

The square root of 148681471 is about 12193.5011789067. The cubic root of 148681471 is about 529.7678715291.

The spelling of 148681471 in words is "one hundred forty-eight million, six hundred eighty-one thousand, four hundred seventy-one".