455246378 has 4 divisors (see below), whose sum is σ = 682869570. Its totient is φ = 227623188.

The previous prime is 455246347. The next prime is 455246381. The reversal of 455246378 is 873642554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873642554 = 2 ⋅436821277.

It can be written as a sum of positive squares in only one way, i.e., 280663009 + 174583369 = 16753^2 + 13213^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113811593 + ... + 113811596.

Almost surely, 2^455246378 is an apocalyptic number.

455246378 is a deficient number, since it is larger than the sum of its proper divisors (227623192).

455246378 is a wasteful number, since it uses less digits than its factorization.

455246378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227623191.

The product of its digits is 806400, while the sum is 44.

The square root of 455246378 is about 21336.5034155084. The cubic root of 455246378 is about 769.2759697711.

The spelling of 455246378 in words is "four hundred fifty-five million, two hundred forty-six thousand, three hundred seventy-eight".