1016215045 has 8 divisors (see below), whose sum is σ = 1219692024. Its totient is φ = 812816064.

The previous prime is 1016215037. The next prime is 1016215093. The reversal of 1016215045 is 5405126101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 350213796 + 666001249 = 18714^2 + 25807^2 .

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 1016215045 - 2³ = 1016215037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14587 + ... + 47383.

It is an arithmetic number, because the mean of its divisors is an integer number (152461503).

Almost surely, 2^1016215045 is an apocalyptic number.

It is an amenable number.

1016215045 is a deficient number, since it is larger than the sum of its proper divisors (203476979).

1016215045 is an equidigital number, since it uses as much as digits as its factorization.

1016215045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38999.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1016215045 is about 31878.1280033819. The cubic root of 1016215045 is about 1005.3760611732.

The spelling of 1016215045 in words is "one billion, sixteen million, two hundred fifteen thousand, forty-five".