1145242353 has 4 divisors (see below), whose sum is σ = 1526989808. Its totient is φ = 763494900.

The previous prime is 1145242337. The next prime is 1145242367. The reversal of 1145242353 is 3532425411.

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 not a de Polignac number, because 1145242353 - 2⁴ = 1145242337 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 1145242353.

It is not an unprimeable number, because it can be changed into a prime (1145242253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190873723 + ... + 190873728.

It is an arithmetic number, because the mean of its divisors is an integer number (381747452).

Almost surely, 2^1145242353 is an apocalyptic number.

It is an amenable number.

1145242353 is a deficient number, since it is larger than the sum of its proper divisors (381747455).

1145242353 is an equidigital number, since it uses as much as digits as its factorization.

1145242353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381747454.

The product of its digits is 14400, while the sum is 30.

The square root of 1145242353 is about 33841.4295354082. The cubic root of 1145242353 is about 1046.2427628184.

Adding to 1145242353 its reverse (3532425411), we get a palindrome (4677667764).

The spelling of 1145242353 in words is "one billion, one hundred forty-five million, two hundred forty-two thousand, three hundred fifty-three".