1141542005 has 8 divisors (see below), whose sum is σ = 1373917272. Its totient is φ = 910522368.

The previous prime is 1141541981. The next prime is 1141542013. The reversal of 1141542005 is 5002451411.

It can be written as a sum of positive squares in 4 ways, for example, as 343027441 + 798514564 = 18521^2 + 28258^2 .

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 1141542005 - 2⁸ = 1141541749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337052 + ... + 340421.

It is an arithmetic number, because the mean of its divisors is an integer number (171739659).

Almost surely, 2^1141542005 is an apocalyptic number.

It is an amenable number.

1141542005 is a deficient number, since it is larger than the sum of its proper divisors (232375267).

1141542005 is an equidigital number, since it uses as much as digits as its factorization.

1141542005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677815.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1141542005 is about 33786.7134388653. The cubic root of 1141542005 is about 1045.1147222631.

Adding to 1141542005 its reverse (5002451411), we get a palindrome (6143993416).

The spelling of 1141542005 in words is "one billion, one hundred forty-one million, five hundred forty-two thousand, five".