1045662505 has 4 divisors (see below), whose sum is σ = 1254795012. Its totient is φ = 836530000.

The previous prime is 1045662491. The next prime is 1045662509. The reversal of 1045662505 is 5052665401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 340919296 + 704743209 = 18464^2 + 26547^2 .

It is not a de Polignac number, because 1045662505 - 2¹¹ = 1045660457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045662509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104566246 + ... + 104566255.

It is an arithmetic number, because the mean of its divisors is an integer number (313698753).

Almost surely, 2^1045662505 is an apocalyptic number.

It is an amenable number.

1045662505 is a deficient number, since it is larger than the sum of its proper divisors (209132507).

1045662505 is an equidigital number, since it uses as much as digits as its factorization.

1045662505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209132506.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1045662505 is about 32336.7052279604. The cubic root of 1045662505 is about 1014.9948651734.

The spelling of 1045662505 in words is "one billion, forty-five million, six hundred sixty-two thousand, five hundred five".