148593493 has 2 divisors, whose sum is σ = 148593494. Its totient is φ = 148593492.

The previous prime is 148593491. The next prime is 148593539. The reversal of 148593493 is 394395841.

It is a happy number.

It is an a-pointer prime, because the next prime (148593539) can be obtained adding 148593493 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116251524 + 32341969 = 10782^2 + 5687^2 .

It is a cyclic number.

It is not a de Polignac number, because 148593493 - 2¹ = 148593491 is a prime.

Together with 148593491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148593491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74296746 + 74296747.

It is an arithmetic number, because the mean of its divisors is an integer number (74296747).

Almost surely, 2^148593493 is an apocalyptic number.

It is an amenable number.

148593493 is a deficient number, since it is larger than the sum of its proper divisors (1).

148593493 is an equidigital number, since it uses as much as digits as its factorization.

148593493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 148593493 is about 12189.8930676196. The cubic root of 148593493 is about 529.6633592598.

The spelling of 148593493 in words is "one hundred forty-eight million, five hundred ninety-three thousand, four hundred ninety-three".