148919165 has 4 divisors (see below), whose sum is σ = 178703004. Its totient is φ = 119135328.

The previous prime is 148919149. The next prime is 148919189. The reversal of 148919165 is 561919841.

148919165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561919841 = 7 ⋅80274263.

It can be written as a sum of positive squares in 2 ways, for example, as 25020004 + 123899161 = 5002^2 + 11131^2 .

It is a cyclic number.

It is not a de Polignac number, because 148919165 - 2⁴ = 148919149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14891912 + ... + 14891921.

It is an arithmetic number, because the mean of its divisors is an integer number (44675751).

Almost surely, 2^148919165 is an apocalyptic number.

It is an amenable number.

148919165 is a deficient number, since it is larger than the sum of its proper divisors (29783839).

148919165 is an equidigital number, since it uses as much as digits as its factorization.

148919165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29783838.

The product of its digits is 77760, while the sum is 44.

The square root of 148919165 is about 12203.2440359111. The cubic root of 148919165 is about 530.0500308769.

The spelling of 148919165 in words is "one hundred forty-eight million, nine hundred nineteen thousand, one hundred sixty-five".