378214455 has 32 divisors (see below), whose sum is σ = 625337856. Its totient is φ = 195076224.

The previous prime is 378214451. The next prime is 378214471. The reversal of 378214455 is 554412873.

378214455 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 378214455 - 2² = 378214451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378214451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63589 + ... + 69281.

It is an arithmetic number, because the mean of its divisors is an integer number (19541808).

Almost surely, 2^378214455 is an apocalyptic number.

378214455 is a deficient number, since it is larger than the sum of its proper divisors (247123401).

378214455 is a wasteful number, since it uses less digits than its factorization.

378214455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

The product of its digits is 134400, while the sum is 39.

The square root of 378214455 is about 19447.7365006831. The cubic root of 378214455 is about 723.1793907191.

The spelling of 378214455 in words is "three hundred seventy-eight million, two hundred fourteen thousand, four hundred fifty-five".