1141312345 has 8 divisors (see below), whose sum is σ = 1371650760. Its totient is φ = 911665920.

The previous prime is 1141312307. The next prime is 1141312369. The reversal of 1141312345 is 5432131411.

It can be written as a sum of positive squares in 4 ways, for example, as 184090624 + 957221721 = 13568^2 + 30939^2 .

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

It is not a de Polignac number, because 1141312345 - 2⁹ = 1141311833 is a prime.

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, 169360 + ... + 175969.

It is an arithmetic number, because the mean of its divisors is an integer number (171456345).

Almost surely, 2^1141312345 is an apocalyptic number.

It is an amenable number.

1141312345 is a deficient number, since it is larger than the sum of its proper divisors (230338415).

1141312345 is an equidigital number, since it uses as much as digits as its factorization.

1141312345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345995.

The product of its digits is 1440, while the sum is 25.

The square root of 1141312345 is about 33783.3145946338. The cubic root of 1141312345 is about 1045.0446307717.

Adding to 1141312345 its reverse (5432131411), we get a palindrome (6573443756).

The spelling of 1141312345 in words is "one billion, one hundred forty-one million, three hundred twelve thousand, three hundred forty-five".