2145242413132 has 192 divisors, whose sum is σ = 4991536076800. Its totient is φ = 783126558720.

The previous prime is 2145242413121. The next prime is 2145242413133. The reversal of 2145242413132 is 2313142425412.

It is a super-2 number, since 2×2145242413132² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145242413133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43428544 + ... + 43477912.

Almost surely, 2^{2145242413132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145242413132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495768038400).

2145242413132 is an abundant number, since it is smaller than the sum of its proper divisors (2846293663668).

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

2145242413132 is a wasteful number, since it uses less digits than its factorization.

2145242413132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49576 (or 49574 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 2145242413132 its reverse (2313142425412), we get a palindrome (4458384838544).

The spelling of 2145242413132 in words is "two trillion, one hundred forty-five billion, two hundred forty-two million, four hundred thirteen thousand, one hundred thirty-two".