143157 has 16 divisors (see below), whose sum is σ = 231552. Its totient is φ = 76800.
The previous prime is 143141. The next prime is 143159. The reversal of 143157 is 751341.
It is not a de Polignac number, because 143157 - 24 = 143141 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
143157 is a lucky number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143157.
It is not an unprimeable number, because it can be changed into a prime (143159) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157 + ... + 557.
It is an arithmetic number, because the mean of its divisors is an integer number (14472).
2143157 is an apocalyptic number.
143157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
143157 is a deficient number, since it is larger than the sum of its proper divisors (88395).
143157 is a wasteful number, since it uses less digits than its factorization.
143157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428.
The product of its digits is 420, while the sum is 21.
The square root of 143157 is about 378.3609387873. The cubic root of 143157 is about 52.3123459284.
Adding to 143157 its reverse (751341), we get a palindrome (894498).
It can be divided in two parts, 143 and 157, that added together give a triangular number (300 = T24).
The spelling of 143157 in words is "one hundred forty-three thousand, one hundred fifty-seven".
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