1080897345 has 32 divisors (see below), whose sum is σ = 2096288640. Its totient is φ = 524070720.

The previous prime is 1080897343. The next prime is 1080897379. The reversal of 1080897345 is 5437980801.

It is not a de Polignac number, because 1080897345 - 2¹ = 1080897343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1080897345.

It is not an unprimeable number, because it can be changed into a prime (1080897343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362454 + ... + 365423.

It is an arithmetic number, because the mean of its divisors is an integer number (65509020).

Almost surely, 2^1080897345 is an apocalyptic number.

1080897345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080897345 is a deficient number, since it is larger than the sum of its proper divisors (1015391295).

1080897345 is a wasteful number, since it uses less digits than its factorization.

1080897345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727902 (or 727896 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1080897345 is about 32877.0032849711. The cubic root of 1080897345 is about 1026.2696445961.

The spelling of 1080897345 in words is "one billion, eighty million, eight hundred ninety-seven thousand, three hundred forty-five".