148344478 has 8 divisors (see below), whose sum is σ = 227944080. Its totient is φ = 72363120.

The previous prime is 148344473. The next prime is 148344491. The reversal of 148344478 is 874443841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148344473) 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, 904458 + ... + 904621.

It is an arithmetic number, because the mean of its divisors is an integer number (28493010).

Almost surely, 2^148344478 is an apocalyptic number.

148344478 is a deficient number, since it is larger than the sum of its proper divisors (79599602).

148344478 is a wasteful number, since it uses less digits than its factorization.

148344478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809122.

The product of its digits is 344064, while the sum is 43.

The square root of 148344478 is about 12179.6747904039. The cubic root of 148344478 is about 529.3673214723.

The spelling of 148344478 in words is "one hundred forty-eight million, three hundred forty-four thousand, four hundred seventy-eight".