148586549 has 2 divisors, whose sum is σ = 148586550. Its totient is φ = 148586548.

The previous prime is 148586531. The next prime is 148586551. The reversal of 148586549 is 945685841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107536900 + 41049649 = 10370^2 + 6407^2 .

It is a cyclic number.

It is not a de Polignac number, because 148586549 - 2¹² = 148582453 is a prime.

Together with 148586551, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148586497 and 148586506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148586569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74293274 + 74293275.

It is an arithmetic number, because the mean of its divisors is an integer number (74293275).

Almost surely, 2^148586549 is an apocalyptic number.

It is an amenable number.

148586549 is a deficient number, since it is larger than the sum of its proper divisors (1).

148586549 is an equidigital number, since it uses as much as digits as its factorization.

148586549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 50.

The square root of 148586549 is about 12189.6082381675. The cubic root of 148586549 is about 529.6551084731.

The spelling of 148586549 in words is "one hundred forty-eight million, five hundred eighty-six thousand, five hundred forty-nine".