455144242 has 12 divisors (see below), whose sum is σ = 794180430. Its totient is φ = 195061776.

The previous prime is 455144233. The next prime is 455144257. The reversal of 455144242 is 242441554.

It can be written as a sum of positive squares in only one way, i.e., 251825161 + 203319081 = 15869^2 + 14259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2322067 + ... + 2322262.

Almost surely, 2^455144242 is an apocalyptic number.

455144242 is a deficient number, since it is larger than the sum of its proper divisors (339036188).

455144242 is a wasteful number, since it uses less digits than its factorization.

455144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644345 (or 4644338 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 455144242 is about 21334.1098244103. The cubic root of 455144242 is about 769.2184356161.

Adding to 455144242 its reverse (242441554), we get a palindrome (697585796).

The spelling of 455144242 in words is "four hundred fifty-five million, one hundred forty-four thousand, two hundred forty-two".