1141331145 has 16 divisors (see below), whose sum is σ = 1870670592. Its totient is φ = 593863040.

The previous prime is 1141331143. The next prime is 1141331173. The reversal of 1141331145 is 5411331411.

It is not a de Polignac number, because 1141331145 - 2¹ = 1141331143 is a prime.

It is a super-2 number, since 2×1141331145² = 2605273565094022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1141331143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927297 + ... + 928526.

It is an arithmetic number, because the mean of its divisors is an integer number (116916912).

Almost surely, 2^1141331145 is an apocalyptic number.

1141331145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141331145 is a deficient number, since it is larger than the sum of its proper divisors (729339447).

1141331145 is a wasteful number, since it uses less digits than its factorization.

1141331145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855872.

The product of its digits is 720, while the sum is 24.

The square root of 1141331145 is about 33783.5928373523. The cubic root of 1141331145 is about 1045.0503688244.

Adding to 1141331145 its reverse (5411331411), we get a palindrome (6552662556).

The spelling of 1141331145 in words is "one billion, one hundred forty-one million, three hundred thirty-one thousand, one hundred forty-five".