43142445402 has 96 divisors (see below), whose sum is σ = 104866091520. Its totient is φ = 11588832000.

The previous prime is 43142445391. The next prime is 43142445403. The reversal of 43142445402 is 20454424134.

It is a super-2 number, since 2×43142445402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43142445403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19164777 + ... + 19167027.

It is an arithmetic number, because the mean of its divisors is an integer number (1092355120).

Almost surely, 2^43142445402 is an apocalyptic number.

43142445402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43142445402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52433045760).

43142445402 is an abundant number, since it is smaller than the sum of its proper divisors (61723646118).

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

43142445402 is a wasteful number, since it uses less digits than its factorization.

43142445402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 43142445402 its reverse (20454424134), we get a palindrome (63596869536).

The spelling of 43142445402 in words is "forty-three billion, one hundred forty-two million, four hundred forty-five thousand, four hundred two".