455431242 has 32 divisors (see below), whose sum is σ = 1045060992. Its totient is φ = 129613824.

The previous prime is 455431237. The next prime is 455431243. The reversal of 455431242 is 242134554.

It is not an unprimeable number, because it can be changed into a prime (455431243) 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 in 15 ways as a sum of consecutive naturals, for example, 10303 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (32658156).

Almost surely, 2^455431242 is an apocalyptic number.

455431242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

455431242 is an abundant number, since it is smaller than the sum of its proper divisors (589629750).

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

455431242 is a wasteful number, since it uses less digits than its factorization.

455431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42462.

The product of its digits is 19200, while the sum is 30.

The square root of 455431242 is about 21340.8350820674. The cubic root of 455431242 is about 769.3800834955.

Adding to 455431242 its reverse (242134554), we get a palindrome (697565796).

The spelling of 455431242 in words is "four hundred fifty-five million, four hundred thirty-one thousand, two hundred forty-two".