15342531454142 has 8 divisors (see below), whose sum is σ = 23014309268496. Its totient is φ = 7671095031312.

The previous prime is 15342531454109. The next prime is 15342531454157. The reversal of 15342531454142 is 24145413524351.

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

It is a super-4 number, since 4×15342531454142⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15342531454093 and 15342531454102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 85235498 + ... + 85415309.

It is an arithmetic number, because the mean of its divisors is an integer number (2876788658562).

Almost surely, 2^{15342531454142} is an apocalyptic number.

15342531454142 is a deficient number, since it is larger than the sum of its proper divisors (7671777814354).

15342531454142 is a wasteful number, since it uses less digits than its factorization.

15342531454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170695762.

The product of its digits is 1152000, while the sum is 44.

Adding to 15342531454142 its reverse (24145413524351), we get a palindrome (39487944978493).

The spelling of 15342531454142 in words is "fifteen trillion, three hundred forty-two billion, five hundred thirty-one million, four hundred fifty-four thousand, one hundred forty-two".