454166078 has 4 divisors (see below), whose sum is σ = 681249120. Its totient is φ = 227083038.

The previous prime is 454166077. The next prime is 454166081. The reversal of 454166078 is 870661454.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454166077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113541518 + ... + 113541521.

It is an arithmetic number, because the mean of its divisors is an integer number (170312280).

Almost surely, 2^454166078 is an apocalyptic number.

454166078 is a deficient number, since it is larger than the sum of its proper divisors (227083042).

454166078 is a wasteful number, since it uses less digits than its factorization.

454166078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227083041.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 454166078 is about 21311.1726096900. The cubic root of 454166078 is about 768.6669903275. Note that the first 3 decimals are identical.

The spelling of 454166078 in words is "four hundred fifty-four million, one hundred sixty-six thousand, seventy-eight".