378244153 has 8 divisors (see below), whose sum is σ = 455030720. Its totient is φ = 307145520.

The previous prime is 378244133. The next prime is 378244157. The reversal of 378244153 is 351442873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 378244153 - 2⁵ = 378244121 is a prime.

It is the 19449-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378244157) by changing a digit.

It is a nontrivial repunit in base 19448.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421838 + ... + 1422103.

It is an arithmetic number, because the mean of its divisors is an integer number (56878840).

Almost surely, 2^378244153 is an apocalyptic number.

It is an amenable number.

378244153 is a deficient number, since it is larger than the sum of its proper divisors (76786567).

378244153 is a wasteful number, since it uses less digits than its factorization.

378244153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843967.

The product of its digits is 80640, while the sum is 37.

The square root of 378244153 is about 19448.5000192817. The cubic root of 378244153 is about 723.1983186220.

The spelling of 378244153 in words is "three hundred seventy-eight million, two hundred forty-four thousand, one hundred fifty-three".