148418 has 4 divisors (see below), whose sum is σ = 222630. Its totient is φ = 74208.

The previous prime is 148411. The next prime is 148429. The reversal of 148418 is 814841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82369 + 66049 = 287^2 + 257^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37103 + ... + 37106.

2¹⁴⁸⁴¹⁸ is an apocalyptic number.

148418 is a deficient number, since it is larger than the sum of its proper divisors (74212).

148418 is an equidigital number, since it uses as much as digits as its factorization.

148418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74211.

The product of its digits is 1024, while the sum is 26.

The square root of 148418 is about 385.2505678127. The cubic root of 148418 is about 52.9454761456.

The spelling of 148418 in words is "one hundred forty-eight thousand, four hundred eighteen".