1043345445 has 16 divisors (see below), whose sum is σ = 1670038080. Its totient is φ = 556222464.

The previous prime is 1043345363. The next prime is 1043345447. The reversal of 1043345445 is 5445433401.

It is a happy number.

It is not a de Polignac number, because 1043345445 - 2⁸ = 1043345189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043345447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27402 + ... + 53268.

It is an arithmetic number, because the mean of its divisors is an integer number (104377380).

Almost surely, 2^1043345445 is an apocalyptic number.

1043345445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043345445 is a deficient number, since it is larger than the sum of its proper divisors (626692635).

1043345445 is a wasteful number, since it uses less digits than its factorization.

1043345445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28564.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 1043345445 is about 32300.8582703308. The cubic root of 1043345445 is about 1014.2446093194.

Adding to 1043345445 its reverse (5445433401), we get a palindrome (6488778846).

The spelling of 1043345445 in words is "one billion, forty-three million, three hundred forty-five thousand, four hundred forty-five".