1045420055 has 4 divisors (see below), whose sum is σ = 1254504072. Its totient is φ = 836336040.

The previous prime is 1045420021. The next prime is 1045420063. The reversal of 1045420055 is 5500245401.

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

It is not a de Polignac number, because 1045420055 - 2⁸ = 1045419799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104542001 + ... + 104542010.

It is an arithmetic number, because the mean of its divisors is an integer number (313626018).

Almost surely, 2^1045420055 is an apocalyptic number.

1045420055 is a deficient number, since it is larger than the sum of its proper divisors (209084017).

1045420055 is an equidigital number, since it uses as much as digits as its factorization.

1045420055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209084016.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1045420055 is about 32332.9561747762. The cubic root of 1045420055 is about 1014.9164126690.

Adding to 1045420055 its reverse (5500245401), we get a palindrome (6545665456).

The spelling of 1045420055 in words is "one billion, forty-five million, four hundred twenty thousand, fifty-five".