148557047 has 2 divisors, whose sum is σ = 148557048. Its totient is φ = 148557046.

The previous prime is 148557041. The next prime is 148557089. The reversal of 148557047 is 740755841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148557047 - 2¹² = 148552951 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148556995 and 148557013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148557041) 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, 74278523 + 74278524.

It is an arithmetic number, because the mean of its divisors is an integer number (74278524).

Almost surely, 2^148557047 is an apocalyptic number.

148557047 is a deficient number, since it is larger than the sum of its proper divisors (1).

148557047 is an equidigital number, since it uses as much as digits as its factorization.

148557047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 148557047 is about 12188.3980489644. The cubic root of 148557047 is about 529.6200516450.

The spelling of 148557047 in words is "one hundred forty-eight million, five hundred fifty-seven thousand, forty-seven".