1045155223 has 8 divisors (see below), whose sum is σ = 1264725792. Its totient is φ = 843150336.

The previous prime is 1045155217. The next prime is 1045155229. The reversal of 1045155223 is 3225515401.

It is an interprime number because it is at equal distance from previous prime (1045155217) and next prime (1045155229).

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

It is a de Polignac number, because none of the positive numbers 2^k-1045155223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045155191 and 1045155200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045155229) by changing a digit.

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, 4391290 + ... + 4391527.

It is an arithmetic number, because the mean of its divisors is an integer number (158090724).

Almost surely, 2^1045155223 is an apocalyptic number.

1045155223 is a deficient number, since it is larger than the sum of its proper divisors (219570569).

1045155223 is an equidigital number, since it uses as much as digits as its factorization.

1045155223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782841.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1045155223 is about 32328.8605273987. The cubic root of 1045155223 is about 1014.8307038856.

The spelling of 1045155223 in words is "one billion, forty-five million, one hundred fifty-five thousand, two hundred twenty-three".