149378 has 8 divisors (see below), whose sum is σ = 235920. Its totient is φ = 70740.

The previous prime is 149377. The next prime is 149381. The reversal of 149378 is 873941.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149371) 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 in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (29490).

2¹⁴⁹³⁷⁸ is an apocalyptic number.

149378 is a deficient number, since it is larger than the sum of its proper divisors (86542).

149378 is a wasteful number, since it uses less digits than its factorization.

149378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952.

The product of its digits is 6048, while the sum is 32.

The square root of 149378 is about 386.4945019014. The cubic root of 149378 is about 53.0593851977.

The spelling of 149378 in words is "one hundred forty-nine thousand, three hundred seventy-eight".