1141543536 has 80 divisors (see below), whose sum is σ = 3461397504. Its totient is φ = 317336832.

The previous prime is 1141543531. The next prime is 1141543547. The reversal of 1141543536 is 6353451411.

1141543536 = 329² + 330² + ... + 1512².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1141543497 and 1141543506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141543531) 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, 33480 + ... + 58343.

Almost surely, 2^1141543536 is an apocalyptic number.

1141543536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1141543536 is an abundant number, since it is smaller than the sum of its proper divisors (2319853968).

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

1141543536 is a wasteful number, since it uses less digits than its factorization.

1141543536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91878 (or 91872 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 1141543536 is about 33786.7360956929. The cubic root of 1141543536 is about 1045.1151894878.

Adding to 1141543536 its reverse (6353451411), we get a palindrome (7494994947).

The spelling of 1141543536 in words is "one billion, one hundred forty-one million, five hundred forty-three thousand, five hundred thirty-six".