1141253545 has 8 divisors (see below), whose sum is σ = 1389945024. Its totient is φ = 899375664.

The previous prime is 1141253543. The next prime is 1141253549. The reversal of 1141253545 is 5453521411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141253545 - 2¹ = 1141253543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141253543) 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 7 ways as a sum of consecutive naturals, for example, 1703029 + ... + 1703698.

It is an arithmetic number, because the mean of its divisors is an integer number (173743128).

Almost surely, 2^1141253545 is an apocalyptic number.

It is an amenable number.

1141253545 is a deficient number, since it is larger than the sum of its proper divisors (248691479).

1141253545 is an equidigital number, since it uses as much as digits as its factorization.

1141253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406799.

The product of its digits is 12000, while the sum is 31.

The square root of 1141253545 is about 33782.4443313387. Note that the first 3 decimals coincide. The cubic root of 1141253545 is about 1045.0266836894.

Adding to 1141253545 its reverse (5453521411), we get a palindrome (6594774956).

The spelling of 1141253545 in words is "one billion, one hundred forty-one million, two hundred fifty-three thousand, five hundred forty-five".