148137817 has 2 divisors, whose sum is σ = 148137818. Its totient is φ = 148137816.

The previous prime is 148137791. The next prime is 148137827. The reversal of 148137817 is 718731841.

148137817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143424576 + 4713241 = 11976^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 148137817 - 2¹¹ = 148135769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148137817.

It is not a weakly prime, because it can be changed into another prime (148137827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74068908 + 74068909.

It is an arithmetic number, because the mean of its divisors is an integer number (74068909).

Almost surely, 2^148137817 is an apocalyptic number.

It is an amenable number.

148137817 is a deficient number, since it is larger than the sum of its proper divisors (1).

148137817 is an equidigital number, since it uses as much as digits as its factorization.

148137817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 40.

The square root of 148137817 is about 12171.1879863882. The cubic root of 148137817 is about 529.1213839469.

The spelling of 148137817 in words is "one hundred forty-eight million, one hundred thirty-seven thousand, eight hundred seventeen".