378148149 has 16 divisors (see below), whose sum is σ = 573249600. Its totient is φ = 246235248.

The previous prime is 378148117. The next prime is 378148151. The reversal of 378148149 is 941841873.

It is a happy number.

It is not a de Polignac number, because 378148149 - 2⁵ = 378148117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378148109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161694 + ... + 164015.

It is an arithmetic number, because the mean of its divisors is an integer number (35828100).

Almost surely, 2^378148149 is an apocalyptic number.

It is an amenable number.

378148149 is a deficient number, since it is larger than the sum of its proper divisors (195101451).

378148149 is a wasteful number, since it uses less digits than its factorization.

378148149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325761 (or 325755 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 378148149 is about 19446.0317031522. The cubic root of 378148149 is about 723.1371272761.

The spelling of 378148149 in words is "three hundred seventy-eight million, one hundred forty-eight thousand, one hundred forty-nine".