43142421542 has 8 divisors (see below), whose sum is σ = 70596689832. Its totient is φ = 19610191600.

The previous prime is 43142421529. The next prime is 43142421563. The reversal of 43142421542 is 24512424134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43142421542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43142421499 and 43142421508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980509559 + ... + 980509602.

It is an arithmetic number, because the mean of its divisors is an integer number (8824586229).

Almost surely, 2^43142421542 is an apocalyptic number.

43142421542 is a deficient number, since it is larger than the sum of its proper divisors (27454268290).

43142421542 is a wasteful number, since it uses less digits than its factorization.

43142421542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961019174.

The product of its digits is 30720, while the sum is 32.

Adding to 43142421542 its reverse (24512424134), we get a palindrome (67654845676).

The spelling of 43142421542 in words is "forty-three billion, one hundred forty-two million, four hundred twenty-one thousand, five hundred forty-two".