148571047 has 2 divisors, whose sum is σ = 148571048. Its totient is φ = 148571046.

The previous prime is 148571009. The next prime is 148571057. The reversal of 148571047 is 740175841.

148571047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148571047 - 2¹⁵ = 148538279 is a prime.

It is equal to p_8368543 and since 148571047 and 8368543 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 148570997 and 148571015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148571057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74285523 + 74285524.

It is an arithmetic number, because the mean of its divisors is an integer number (74285524).

Almost surely, 2^148571047 is an apocalyptic number.

148571047 is a deficient number, since it is larger than the sum of its proper divisors (1).

148571047 is an equidigital number, since it uses as much as digits as its factorization.

148571047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 148571047 is about 12188.9723520894. The cubic root of 148571047 is about 529.6366882345.

The spelling of 148571047 in words is "one hundred forty-eight million, five hundred seventy-one thousand, forty-seven".