1308027445 has 16 divisors (see below), whose sum is σ = 1582549488. Its totient is φ = 1037836800.

The previous prime is 1308027433. The next prime is 1308027473. The reversal of 1308027445 is 5447208031.

It can be written as a sum of positive squares in 8 ways, for example, as 988036 + 1307039409 = 994^2 + 36153^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1308027445 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 1308027445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549097 + ... + 551473.

It is an arithmetic number, because the mean of its divisors is an integer number (98909343).

Almost surely, 2^1308027445 is an apocalyptic number.

It is an amenable number.

1308027445 is a deficient number, since it is larger than the sum of its proper divisors (274522043).

1308027445 is a wasteful number, since it uses less digits than its factorization.

1308027445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1308027445 is about 36166.6620660519. The cubic root of 1308027445 is about 1093.6347099377.

The spelling of 1308027445 in words is "one billion, three hundred eight million, twenty-seven thousand, four hundred forty-five".