451662242 has 16 divisors (see below), whose sum is σ = 691023840. Its totient is φ = 221359392.

The previous prime is 451662229. The next prime is 451662271. The reversal of 451662242 is 242266154.

It is a junction number, because it is equal to n+sod(n) for n = 451662199 and 451662208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14309 + ... + 33287.

It is an arithmetic number, because the mean of its divisors is an integer number (43188990).

Almost surely, 2^451662242 is an apocalyptic number.

451662242 is a deficient number, since it is larger than the sum of its proper divisors (239361598).

451662242 is a wasteful number, since it uses less digits than its factorization.

451662242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19217.

The product of its digits is 23040, while the sum is 32.

The square root of 451662242 is about 21252.3467410072. The cubic root of 451662242 is about 767.2518224134.

The spelling of 451662242 in words is "four hundred fifty-one million, six hundred sixty-two thousand, two hundred forty-two".