1142100532544 has 56 divisors (see below), whose sum is σ = 2281748040000. Its totient is φ = 567181992960.

The previous prime is 1142100532541. The next prime is 1142100532549. The reversal of 1142100532544 is 4452350012411.

It is a super-2 number, since 2×1142100532544² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1142100532544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142100532541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7193732 + ... + 7350780.

Almost surely, 2^{1142100532544} is an apocalyptic number.

It is an amenable number.

1142100532544 is a deficient number, since it is larger than the sum of its proper divisors (1139647507456).

1142100532544 is a wasteful number, since it uses less digits than its factorization.

1142100532544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157831 (or 157821 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1142100532544 its reverse (4452350012411), we get a palindrome (5594450544955).

The spelling of 1142100532544 in words is "one trillion, one hundred forty-two billion, one hundred million, five hundred thirty-two thousand, five hundred forty-four".