54142 has 16 divisors (see below), whose sum is σ = 93312. Its totient is φ = 23320.
The previous prime is 54139. The next prime is 54151. The reversal of 54142 is 24145.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453 + ... + 559.
It is an arithmetic number, because the mean of its divisors is an integer number (5832).
254142 is an apocalyptic number.
54142 is a deficient number, since it is larger than the sum of its proper divisors (39170).
54142 is a wasteful number, since it uses less digits than its factorization.
54142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143.
The product of its digits is 160, while the sum is 16.
The square root of 54142 is about 232.6843355278. The cubic root of 54142 is about 37.8307337555.
Adding to 54142 its reverse (24145), we get a palindrome (78287).
It can be divided in two parts, 541 and 42, that multiplied together give a palindrome (22722).
The spelling of 54142 in words is "fifty-four thousand, one hundred forty-two".
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