454688554 has 4 divisors (see below), whose sum is σ = 682032834. Its totient is φ = 227344276.

The previous prime is 454688539. The next prime is 454688557. The reversal of 454688554 is 455886454.

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., 454670329 + 18225 = 21323^2 + 135^2 .

It is a super-2 number, since 2×454688554² = 413483362277221832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454688498 and 454688507.

It is not an unprimeable number, because it can be changed into a prime (454688557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113672137 + ... + 113672140.

Almost surely, 2^454688554 is an apocalyptic number.

454688554 is a deficient number, since it is larger than the sum of its proper divisors (227344280).

454688554 is a wasteful number, since it uses less digits than its factorization.

454688554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227344279.

The product of its digits is 3072000, while the sum is 49.

The square root of 454688554 is about 21323.4273511553. The cubic root of 454688554 is about 768.9616374233.

The spelling of 454688554 in words is "four hundred fifty-four million, six hundred eighty-eight thousand, five hundred fifty-four".