148742134 has 4 divisors (see below), whose sum is σ = 223113204. Its totient is φ = 74371066.

The previous prime is 148742119. The next prime is 148742147. The reversal of 148742134 is 431247841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431247841 = 14627 ⋅29483.

It is a self number, because there is not a number n which added to its sum of digits gives 148742134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37185532 + ... + 37185535.

It is an arithmetic number, because the mean of its divisors is an integer number (55778301).

Almost surely, 2^148742134 is an apocalyptic number.

148742134 is a deficient number, since it is larger than the sum of its proper divisors (74371070).

148742134 is an equidigital number, since it uses as much as digits as its factorization.

148742134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74371069.

The product of its digits is 21504, while the sum is 34.

The square root of 148742134 is about 12195.9884388269. The cubic root of 148742134 is about 529.8399113029.

Adding to 148742134 its reverse (431247841), we get a palindrome (579989975).

The spelling of 148742134 in words is "one hundred forty-eight million, seven hundred forty-two thousand, one hundred thirty-four".