454016506 has 4 divisors (see below), whose sum is σ = 681024762. Its totient is φ = 227008252.

The previous prime is 454016461. The next prime is 454016509. The reversal of 454016506 is 605610454.

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

It can be written as a sum of positive squares in only one way, i.e., 434347281 + 19669225 = 20841^2 + 4435^2 .

It is a super-2 number, since 2×454016506² = 412261975440896072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (454016509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113504125 + ... + 113504128.

Almost surely, 2^454016506 is an apocalyptic number.

454016506 is a deficient number, since it is larger than the sum of its proper divisors (227008256).

454016506 is a wasteful number, since it uses less digits than its factorization.

454016506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227008255.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 454016506 is about 21307.6630816239. The cubic root of 454016506 is about 768.5825985244.

The spelling of 454016506 in words is "four hundred fifty-four million, sixteen thousand, five hundred six".