1000454155 has 8 divisors (see below), whose sum is σ = 1200857472. Its totient is φ = 800155008.

The previous prime is 1000454099. The next prime is 1000454197. The reversal of 1000454155 is 5514540001.

It is a happy number.

1000454155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1000454155 - 2⁷ = 1000454027 is a prime.

It is a Duffinian number.

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, 3067 + ... + 44836.

It is an arithmetic number, because the mean of its divisors is an integer number (150107184).

Almost surely, 2^1000454155 is an apocalyptic number.

1000454155 is a deficient number, since it is larger than the sum of its proper divisors (200403317).

1000454155 is an equidigital number, since it uses as much as digits as its factorization.

1000454155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52085.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1000454155 is about 31629.9566076212. The cubic root of 1000454155 is about 1000.1513620884.

Adding to 1000454155 its reverse (5514540001), we get a palindrome (6514994156).

The spelling of 1000454155 in words is "one billion, four hundred fifty-four thousand, one hundred fifty-five".