1000045955 has 8 divisors (see below), whose sum is σ = 1203891072. Its totient is φ = 797479488.

The previous prime is 1000045909. The next prime is 1000045973. The reversal of 1000045955 is 5595400001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000045955 - 2¹⁴ = 1000029571 is a prime.

It is a super-2 number, since 2×1000045955² = 2000183824223724050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317939 + ... + 321068.

It is an arithmetic number, because the mean of its divisors is an integer number (150486384).

Almost surely, 2^1000045955 is an apocalyptic number.

1000045955 is a deficient number, since it is larger than the sum of its proper divisors (203845117).

1000045955 is an equidigital number, since it uses as much as digits as its factorization.

1000045955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639325.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1000045955 is about 31623.5032056855. The cubic root of 1000045955 is about 1000.0153180987.

Adding to 1000045955 its reverse (5595400001), we get a palindrome (6595445956).

It can be divided in two parts, 10000 and 45955, that added together give a palindrome (55955).

The spelling of 1000045955 in words is "one billion, forty-five thousand, nine hundred fifty-five".