1045002155 has 8 divisors (see below), whose sum is σ = 1327767552. Its totient is φ = 786825088.

The previous prime is 1045002107. The next prime is 1045002173. The reversal of 1045002155 is 5512005401.

It is a happy number.

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 1045002155 - 2¹⁰ = 1045001131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045002155.

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, 6146987 + ... + 6147156.

It is an arithmetic number, because the mean of its divisors is an integer number (165970944).

Almost surely, 2^1045002155 is an apocalyptic number.

1045002155 is a deficient number, since it is larger than the sum of its proper divisors (282765397).

1045002155 is a wasteful number, since it uses less digits than its factorization.

1045002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12294165.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1045002155 is about 32326.4930823002. The cubic root of 1045002155 is about 1014.7811591906.

Adding to 1045002155 its reverse (5512005401), we get a palindrome (6557007556).

The spelling of 1045002155 in words is "one billion, forty-five million, two thousand, one hundred fifty-five".