1045135555 has 4 divisors (see below), whose sum is σ = 1254162672. Its totient is φ = 836108440.

The previous prime is 1045135547. The next prime is 1045135561. The reversal of 1045135555 is 5555315401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5555315401 = 4073 ⋅1363937.

It is not a de Polignac number, because 1045135555 - 2³ = 1045135547 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 1045135555.

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, 104513551 + ... + 104513560.

It is an arithmetic number, because the mean of its divisors is an integer number (313540668).

Almost surely, 2^1045135555 is an apocalyptic number.

1045135555 is a deficient number, since it is larger than the sum of its proper divisors (209027117).

1045135555 is an equidigital number, since it uses as much as digits as its factorization.

1045135555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209027116.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 1045135555 is about 32328.5563395584. The cubic root of 1045135555 is about 1014.8243380639.

The spelling of 1045135555 in words is "one billion, forty-five million, one hundred thirty-five thousand, five hundred fifty-five".