1002243543140 has 36 divisors (see below), whose sum is σ = 2448337800636. Its totient is φ = 343626357312.

The previous prime is 1002243543137. The next prime is 1002243543193. The reversal of 1002243543140 is 413453422001.

1002243543140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152524615936 + 849718927204 = 390544^2 + 921802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511347767 + ... + 511349726.

It is an arithmetic number, because the mean of its divisors is an integer number (68009383351).

Almost surely, 2^{1002243543140} is an apocalyptic number.

1002243543140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002243543140 is an abundant number, since it is smaller than the sum of its proper divisors (1446094257496).

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

1002243543140 is a wasteful number, since it uses less digits than its factorization.

1002243543140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022697516 (or 1022697507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1002243543140 its reverse (413453422001), we get a palindrome (1415696965141).

The spelling of 1002243543140 in words is "one trillion, two billion, two hundred forty-three million, five hundred forty-three thousand, one hundred forty".