454431042 has 48 divisors (see below), whose sum is σ = 1061876088. Its totient is φ = 139622400.

The previous prime is 454431011. The next prime is 454431049. The reversal of 454431042 is 240134454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 345625281 + 108805761 = 18591^2 + 10431^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 454430997 and 454431015.

It is not an unprimeable number, because it can be changed into a prime (454431049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283042 + ... + 284642.

Almost surely, 2^454431042 is an apocalyptic number.

454431042 is an abundant number, since it is smaller than the sum of its proper divisors (607445046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454431042 is a wasteful number, since it uses less digits than its factorization.

454431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 454431042 is about 21317.3882546620. The cubic root of 454431042 is about 768.8164433549.

Adding to 454431042 its reverse (240134454), we get a palindrome (694565496).

The spelling of 454431042 in words is "four hundred fifty-four million, four hundred thirty-one thousand, forty-two".