148237613 has 2 divisors, whose sum is σ = 148237614. Its totient is φ = 148237612.

The previous prime is 148237541. The next prime is 148237619. The reversal of 148237613 is 316732841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87366409 + 60871204 = 9347^2 + 7802^2 .

It is an emirp because it is prime and its reverse (316732841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148237613 - 2¹² = 148233517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148237619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74118806 + 74118807.

It is an arithmetic number, because the mean of its divisors is an integer number (74118807).

Almost surely, 2^148237613 is an apocalyptic number.

It is an amenable number.

148237613 is a deficient number, since it is larger than the sum of its proper divisors (1).

148237613 is an equidigital number, since it uses as much as digits as its factorization.

148237613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 148237613 is about 12175.2869781373. The cubic root of 148237613 is about 529.2401750060.

The spelling of 148237613 in words is "one hundred forty-eight million, two hundred thirty-seven thousand, six hundred thirteen".