454844138 has 16 divisors (see below), whose sum is σ = 786888960. Its totient is φ = 193144176.

The previous prime is 454844111. The next prime is 454844147. The reversal of 454844138 is 831448454.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 454844095 and 454844104.

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 in 7 ways as a sum of consecutive naturals, for example, 147506 + ... + 150557.

It is an arithmetic number, because the mean of its divisors is an integer number (49180560).

Almost surely, 2^454844138 is an apocalyptic number.

454844138 is a deficient number, since it is larger than the sum of its proper divisors (332044822).

454844138 is a wasteful number, since it uses less digits than its factorization.

454844138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298181.

The product of its digits is 245760, while the sum is 41.

The square root of 454844138 is about 21327.0752331397. The cubic root of 454844138 is about 769.0493344364.

The spelling of 454844138 in words is "four hundred fifty-four million, eight hundred forty-four thousand, one hundred thirty-eight".