1045450555 has 4 divisors (see below), whose sum is σ = 1254540672. Its totient is φ = 836360440.

The previous prime is 1045450531. The next prime is 1045450607. The reversal of 1045450555 is 5550545401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5550545401 = 727 ⋅7634863.

It is a de Polignac number, because none of the positive numbers 2^k-1045450555 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 1045450555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104545051 + ... + 104545060.

It is an arithmetic number, because the mean of its divisors is an integer number (313635168).

Almost surely, 2^1045450555 is an apocalyptic number.

1045450555 is a deficient number, since it is larger than the sum of its proper divisors (209090117).

1045450555 is an equidigital number, since it uses as much as digits as its factorization.

1045450555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209090116.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 1045450555 is about 32333.4278263224. The cubic root of 1045450555 is about 1014.9262825930.

Adding to 1045450555 its reverse (5550545401), we get a palindrome (6595995956).

It can be divided in two parts, 10454 and 50555, that added together give a square (61009 = 247²).

The spelling of 1045450555 in words is "one billion, forty-five million, four hundred fifty thousand, five hundred fifty-five".