148444117 has 2 divisors, whose sum is σ = 148444118. Its totient is φ = 148444116.

The previous prime is 148444103. The next prime is 148444147. The reversal of 148444117 is 711444841.

148444117 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., 137381841 + 11062276 = 11721^2 + 3326^2 .

It is an emirp because it is prime and its reverse (711444841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148444117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148444147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74222058 + 74222059.

It is an arithmetic number, because the mean of its divisors is an integer number (74222059).

Almost surely, 2^148444117 is an apocalyptic number.

It is an amenable number.

148444117 is a deficient number, since it is larger than the sum of its proper divisors (1).

148444117 is an equidigital number, since it uses as much as digits as its factorization.

148444117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 34.

The square root of 148444117 is about 12183.7644839352. The cubic root of 148444117 is about 529.4858155485.

Adding to 148444117 its reverse (711444841), we get a palindrome (859888958).

The spelling of 148444117 in words is "one hundred forty-eight million, four hundred forty-four thousand, one hundred seventeen".