148142 has 4 divisors (see below), whose sum is σ = 222216. Its totient is φ = 74070.

The previous prime is 148139. The next prime is 148147. The reversal of 148142 is 241841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241841 = 59 ⋅4099.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37034 + ... + 37037.

It is an arithmetic number, because the mean of its divisors is an integer number (55554).

2¹⁴⁸¹⁴² is an apocalyptic number.

148142 is a deficient number, since it is larger than the sum of its proper divisors (74074).

148142 is an equidigital number, since it uses as much as digits as its factorization.

148142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74073.

The product of its digits is 256, while the sum is 20.

The square root of 148142 is about 384.8921926982. The cubic root of 148142 is about 52.9126364206.

Adding to 148142 its reverse (241841), we get a palindrome (389983).

The spelling of 148142 in words is "one hundred forty-eight thousand, one hundred forty-two".