1045545045 has 16 divisors (see below), whose sum is σ = 1704436992. Its totient is φ = 547102400.

The previous prime is 1045545023. The next prime is 1045545097. The reversal of 1045545045 is 5405455401.

It is not a de Polignac number, because 1045545045 - 2¹³ = 1045536853 is a prime.

It is a super-2 number, since 2×1045545045² = 2186328882248104050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1045544997 and 1045545015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656781 + ... + 658370.

It is an arithmetic number, because the mean of its divisors is an integer number (106527312).

Almost surely, 2^1045545045 is an apocalyptic number.

1045545045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045545045 is a deficient number, since it is larger than the sum of its proper divisors (658891947).

1045545045 is a wasteful number, since it uses less digits than its factorization.

1045545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315212.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 1045545045 is about 32334.8889746045. Note that the first 3 decimals coincide. The cubic root of 1045545045 is about 1014.9568587227.

The spelling of 1045545045 in words is "one billion, forty-five million, five hundred forty-five thousand, forty-five".