1141345240 has 48 divisors (see below), whose sum is σ = 2987301600. Its totient is φ = 391317696.

The previous prime is 1141345237. The next prime is 1141345241. The reversal of 1141345240 is 425431411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141345241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289200 + ... + 293119.

It is an arithmetic number, because the mean of its divisors is an integer number (62235450).

Almost surely, 2^1141345240 is an apocalyptic number.

1141345240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141345240 is an abundant number, since it is smaller than the sum of its proper divisors (1845956360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141345240 is a wasteful number, since it uses less digits than its factorization.

1141345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582344 (or 582333 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1141345240 is about 33783.8014438873. The cubic root of 1141345240 is about 1045.0546707965.

Adding to 1141345240 its reverse (425431411), we get a palindrome (1566776651).

The spelling of 1141345240 in words is "one billion, one hundred forty-one million, three hundred forty-five thousand, two hundred forty".