1145563753 has 4 divisors (see below), whose sum is σ = 1160064640. Its totient is φ = 1131062868.

The previous prime is 1145563729. The next prime is 1145563787. The reversal of 1145563753 is 3573655411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145563753 - 2²¹ = 1143466601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145563453) 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, 7250325 + ... + 7250482.

It is an arithmetic number, because the mean of its divisors is an integer number (290016160).

Almost surely, 2^1145563753 is an apocalyptic number.

It is an amenable number.

1145563753 is a deficient number, since it is larger than the sum of its proper divisors (14500887).

1145563753 is an equidigital number, since it uses as much as digits as its factorization.

1145563753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14500886.

The product of its digits is 189000, while the sum is 40.

The square root of 1145563753 is about 33846.1778196593. The cubic root of 1145563753 is about 1046.3406259394.

The spelling of 1145563753 in words is "one billion, one hundred forty-five million, five hundred sixty-three thousand, seven hundred fifty-three".