142543015541444 has 24 divisors (see below), whose sum is σ = 288289244920320. Its totient is φ = 60403460838336.

The previous prime is 142543015541393. The next prime is 142543015541447. The reversal of 142543015541444 is 444145510345241.

It is a super-2 number, since 2×142543015541444² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142543015541447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28600121012 + ... + 28600125995.

It is an arithmetic number, because the mean of its divisors is an integer number (12012051871680).

Almost surely, 2^{142543015541444} is an apocalyptic number.

142543015541444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142543015541444 is an abundant number, since it is smaller than the sum of its proper divisors (145746229378876).

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

142543015541444 is a wasteful number, since it uses less digits than its factorization.

142543015541444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57200247107 (or 57200247105 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 47.

Adding to 142543015541444 its reverse (444145510345241), we get a palindrome (586688525886685).

The spelling of 142543015541444 in words is "one hundred forty-two trillion, five hundred forty-three billion, fifteen million, five hundred forty-one thousand, four hundred forty-four".