378339154 has 4 divisors (see below), whose sum is σ = 567508734. Its totient is φ = 189169576.

The previous prime is 378339139. The next prime is 378339163. The reversal of 378339154 is 451933873.

It is a happy number.

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., 371448529 + 6890625 = 19273^2 + 2625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 378339154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94584787 + ... + 94584790.

Almost surely, 2^378339154 is an apocalyptic number.

378339154 is a deficient number, since it is larger than the sum of its proper divisors (189169580).

378339154 is a wasteful number, since it uses less digits than its factorization.

378339154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189169579.

The product of its digits is 272160, while the sum is 43.

The square root of 378339154 is about 19450.9422393878. The cubic root of 378339154 is about 723.2588604807.

The spelling of 378339154 in words is "three hundred seventy-eight million, three hundred thirty-nine thousand, one hundred fifty-four".