148138159 has 4 divisors (see below), whose sum is σ = 159533416. Its totient is φ = 136742904.

The previous prime is 148138099. The next prime is 148138171. The reversal of 148138159 is 951831841.

It is a happy number.

148138159 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: 951831841 = 1567 ⋅607423.

It is a cyclic number.

It is not a de Polignac number, because 148138159 - 2¹¹ = 148136111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148130159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5697609 + ... + 5697634.

It is an arithmetic number, because the mean of its divisors is an integer number (39883354).

Almost surely, 2^148138159 is an apocalyptic number.

148138159 is a deficient number, since it is larger than the sum of its proper divisors (11395257).

148138159 is a wasteful number, since it uses less digits than its factorization.

148138159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395256.

The product of its digits is 34560, while the sum is 40.

The square root of 148138159 is about 12171.2020359536. The cubic root of 148138159 is about 529.1217911339.

The spelling of 148138159 in words is "one hundred forty-eight million, one hundred thirty-eight thousand, one hundred fifty-nine".