1130256445 has 16 divisors (see below), whose sum is σ = 1380351600. Its totient is φ = 888274944.

The previous prime is 1130256377. The next prime is 1130256461. The reversal of 1130256445 is 5446520311.

It is a happy number.

1130256445 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 163481796 + 966774649 = 12786^2 + 31093^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130256445 - 2¹¹ = 1130254397 is a prime.

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, 87781 + ... + 99829.

It is an arithmetic number, because the mean of its divisors is an integer number (86271975).

Almost surely, 2^1130256445 is an apocalyptic number.

It is an amenable number.

1130256445 is a deficient number, since it is larger than the sum of its proper divisors (250095155).

1130256445 is a wasteful number, since it uses less digits than its factorization.

1130256445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1130256445 is about 33619.2868008826. The cubic root of 1130256445 is about 1041.6592242953.

Adding to 1130256445 its reverse (5446520311), we get a palindrome (6576776756).

The spelling of 1130256445 in words is "one billion, one hundred thirty million, two hundred fifty-six thousand, four hundred forty-five".