148129 has 4 divisors (see below), whose sum is σ = 149184. Its totient is φ = 147076.

The previous prime is 148123. The next prime is 148139. The reversal of 148129 is 921841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 148129 - 2⁹ = 147617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148123) 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, 277 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (37296).

2¹⁴⁸¹²⁹ is an apocalyptic number.

It is an amenable number.

148129 is a deficient number, since it is larger than the sum of its proper divisors (1055).

148129 is an equidigital number, since it uses as much as digits as its factorization.

148129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its digits is 576, while the sum is 25.

The square root of 148129 is about 384.8753044819. The cubic root of 148129 is about 52.9110886164.

The spelling of 148129 in words is "one hundred forty-eight thousand, one hundred twenty-nine".