1141340145 has 32 divisors (see below), whose sum is σ = 2001659904. Its totient is φ = 550737600.

The previous prime is 1141340141. The next prime is 1141340171. The reversal of 1141340145 is 5410431411.

It is a happy number.

It is not a de Polignac number, because 1141340145 - 2² = 1141340141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141340141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18424 + ... + 51206.

It is an arithmetic number, because the mean of its divisors is an integer number (62551872).

Almost surely, 2^1141340145 is an apocalyptic number.

1141340145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141340145 is a deficient number, since it is larger than the sum of its proper divisors (860319759).

1141340145 is a wasteful number, since it uses less digits than its factorization.

1141340145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33013.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1141340145 is about 33783.7260378425. The cubic root of 1141340145 is about 1045.0531157422.

Adding to 1141340145 its reverse (5410431411), we get a palindrome (6551771556).

The spelling of 1141340145 in words is "one billion, one hundred forty-one million, three hundred forty thousand, one hundred forty-five".