148378613 has 2 divisors, whose sum is σ = 148378614. Its totient is φ = 148378612.

The previous prime is 148378597. The next prime is 148378661. The reversal of 148378613 is 316873841.

148378613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129914404 + 18464209 = 11398^2 + 4297^2 .

It is a cyclic number.

It is not a de Polignac number, because 148378613 - 2⁴ = 148378597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148378213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74189306 + 74189307.

It is an arithmetic number, because the mean of its divisors is an integer number (74189307).

Almost surely, 2^148378613 is an apocalyptic number.

It is an amenable number.

148378613 is a deficient number, since it is larger than the sum of its proper divisors (1).

148378613 is an equidigital number, since it uses as much as digits as its factorization.

148378613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 148378613 is about 12181.0760197940. The cubic root of 148378613 is about 529.4079219448.

The spelling of 148378613 in words is "one hundred forty-eight million, three hundred seventy-eight thousand, six hundred thirteen".