1144141536 has 48 divisors (see below), whose sum is σ = 3006838800. Its totient is φ = 380940288.

The previous prime is 1144141507. The next prime is 1144141541. The reversal of 1144141536 is 6351414411.

It is a tau number, because it is divible by the number of its divisors (48).

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, 82770 + ... + 95598.

It is an arithmetic number, because the mean of its divisors is an integer number (62642475).

Almost surely, 2^1144141536 is an apocalyptic number.

1144141536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144141536 is an abundant number, since it is smaller than the sum of its proper divisors (1862697264).

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

1144141536 is a wasteful number, since it uses less digits than its factorization.

1144141536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771 (or 13763 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1144141536 is about 33825.1612856465. The cubic root of 1144141536 is about 1045.9074361141.

Adding to 1144141536 its reverse (6351414411), we get a palindrome (7495555947).

The spelling of 1144141536 in words is "one billion, one hundred forty-four million, one hundred forty-one thousand, five hundred thirty-six".