1130453245 has 4 divisors (see below), whose sum is σ = 1356543900. Its totient is φ = 904362592.

The previous prime is 1130453239. The next prime is 1130453249. The reversal of 1130453245 is 5423540311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174530521 + 955922724 = 13211^2 + 30918^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130453245 - 2⁷ = 1130453117 is a prime.

It is a super-3 number, since 3×1130453245³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130453249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113045320 + ... + 113045329.

It is an arithmetic number, because the mean of its divisors is an integer number (339135975).

Almost surely, 2^1130453245 is an apocalyptic number.

It is an amenable number.

1130453245 is a deficient number, since it is larger than the sum of its proper divisors (226090655).

1130453245 is an equidigital number, since it uses as much as digits as its factorization.

1130453245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226090654.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1130453245 is about 33622.2135648443. The cubic root of 1130453245 is about 1041.7196786105.

Adding to 1130453245 its reverse (5423540311), we get a palindrome (6553993556).

The spelling of 1130453245 in words is "one billion, one hundred thirty million, four hundred fifty-three thousand, two hundred forty-five".