455320042 has 4 divisors (see below), whose sum is σ = 682980066. Its totient is φ = 227660020.

The previous prime is 455320031. The next prime is 455320079. The reversal of 455320042 is 240023554.

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., 288626121 + 166693921 = 16989^2 + 12911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 455319989 and 455320016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113830009 + ... + 113830012.

Almost surely, 2^455320042 is an apocalyptic number.

455320042 is a deficient number, since it is larger than the sum of its proper divisors (227660024).

455320042 is a wasteful number, since it uses less digits than its factorization.

455320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227660023.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 455320042 is about 21338.2295891670. The cubic root of 455320042 is about 769.3174600436.

Adding to 455320042 its reverse (240023554), we get a palindrome (695343596).

The spelling of 455320042 in words is "four hundred fifty-five million, three hundred twenty thousand, forty-two".