454161338 has 4 divisors (see below), whose sum is σ = 681242010. Its totient is φ = 227080668.

The previous prime is 454161259. The next prime is 454161349. The reversal of 454161338 is 833161454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833161454 = 2 ⋅416580727.

It can be written as a sum of positive squares in only one way, i.e., 451860049 + 2301289 = 21257^2 + 1517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 454161298 and 454161307.

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, 113540333 + ... + 113540336.

Almost surely, 2^454161338 is an apocalyptic number.

454161338 is a deficient number, since it is larger than the sum of its proper divisors (227080672).

454161338 is a wasteful number, since it uses less digits than its factorization.

454161338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227080671.

The product of its digits is 34560, while the sum is 35.

The square root of 454161338 is about 21311.0614001274. The cubic root of 454161338 is about 768.6643161998.

The spelling of 454161338 in words is "four hundred fifty-four million, one hundred sixty-one thousand, three hundred thirty-eight".