1000455046 has 8 divisors (see below), whose sum is σ = 1505478024. Its totient is φ = 498629040.

The previous prime is 1000455037. The next prime is 1000455047. The reversal of 1000455046 is 6405540001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1000455046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000455047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798460 + ... + 799711.

It is an arithmetic number, because the mean of its divisors is an integer number (188184753).

Almost surely, 2^1000455046 is an apocalyptic number.

1000455046 is a deficient number, since it is larger than the sum of its proper divisors (505022978).

1000455046 is a wasteful number, since it uses less digits than its factorization.

1000455046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598486.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1000455046 is about 31629.9706923671. The cubic root of 1000455046 is about 1000.1516589984.

Adding to 1000455046 its reverse (6405540001), we get a palindrome (7405995047).

The spelling of 1000455046 in words is "one billion, four hundred fifty-five thousand, forty-six".