148678442 has 8 divisors (see below), whose sum is σ = 243292032. Its totient is φ = 67581100.

The previous prime is 148678421. The next prime is 148678451. The reversal of 148678442 is 244876841.

148678442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 148678393 and 148678402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3379034 + ... + 3379077.

It is an arithmetic number, because the mean of its divisors is an integer number (30411504).

Almost surely, 2^148678442 is an apocalyptic number.

148678442 is a deficient number, since it is larger than the sum of its proper divisors (94613590).

148678442 is a wasteful number, since it uses less digits than its factorization.

148678442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758124.

The product of its digits is 344064, while the sum is 44.

The square root of 148678442 is about 12193.3769727668. The cubic root of 148678442 is about 529.7642739551.

The spelling of 148678442 in words is "one hundred forty-eight million, six hundred seventy-eight thousand, four hundred forty-two".