1080145802 has 4 divisors (see below), whose sum is σ = 1620218706. Its totient is φ = 540072900.

The previous prime is 1080145799. The next prime is 1080145811. The reversal of 1080145802 is 2085410801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2085410801 = 463 ⋅4504127.

It can be written as a sum of positive squares in only one way, i.e., 775678201 + 304467601 = 27851^2 + 17449^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 270036449 + ... + 270036452.

Almost surely, 2^1080145802 is an apocalyptic number.

1080145802 is a deficient number, since it is larger than the sum of its proper divisors (540072904).

1080145802 is an equidigital number, since it uses as much as digits as its factorization.

1080145802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540072903.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 1080145802 is about 32865.5716822331. The cubic root of 1080145802 is about 1026.0317359124.

The spelling of 1080145802 in words is "one billion, eighty million, one hundred forty-five thousand, eight hundred two".