43015340142 has 80 divisors (see below), whose sum is σ = 102741922800. Its totient is φ = 13404310272.

The previous prime is 43015340113. The next prime is 43015340143. The reversal of 43015340142 is 24104351034.

It is a happy number.

43015340142 is a `hidden beast` number, since 4 + 301 + 5 + 340 + 14 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43015340143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 357933 + ... + 462759.

It is an arithmetic number, because the mean of its divisors is an integer number (1284274035).

Almost surely, 2^43015340142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43015340142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51370961400).

43015340142 is an abundant number, since it is smaller than the sum of its proper divisors (59726582658).

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

43015340142 is a wasteful number, since it uses less digits than its factorization.

43015340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105007 (or 104998 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 43015340142 its reverse (24104351034), we get a palindrome (67119691176).

The spelling of 43015340142 in words is "forty-three billion, fifteen million, three hundred forty thousand, one hundred forty-two".