454549988 has 6 divisors (see below), whose sum is σ = 795462486. Its totient is φ = 227274992.

The previous prime is 454549987. The next prime is 454550027. The reversal of 454549988 is 889945454.

It can be written as a sum of positive squares in only one way, i.e., 349241344 + 105308644 = 18688^2 + 10262^2 .

It is not an unprimeable number, because it can be changed into a prime (454549987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56818745 + ... + 56818752.

It is an arithmetic number, because the mean of its divisors is an integer number (132577081).

Almost surely, 2^454549988 is an apocalyptic number.

It is an amenable number.

454549988 is a deficient number, since it is larger than the sum of its proper divisors (340912498).

454549988 is a wasteful number, since it uses less digits than its factorization.

454549988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113637501 (or 113637499 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The square root of 454549988 is about 21320.1779542292. The cubic root of 454549988 is about 768.8835159905.

The spelling of 454549988 in words is "four hundred fifty-four million, five hundred forty-nine thousand, nine hundred eighty-eight".