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142337 = 1310949
BaseRepresentation
bin100010110000000001
321020020202
4202300001
514023322
63014545
71131656
oct426001
9236222
10142337
1197a38
126a455
134ca30
1439c2d
152c292
hex22c01

142337 has 4 divisors (see below), whose sum is σ = 153300. Its totient is φ = 131376.

The previous prime is 142327. The next prime is 142357. The reversal of 142337 is 733241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13456 + 128881 = 116^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 142337 - 212 = 138241 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142337.

It is not an unprimeable number, because it can be changed into a prime (142327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462 + ... + 5487.

It is an arithmetic number, because the mean of its divisors is an integer number (38325).

It is a Proth number, since it is equal to 139 ⋅ 210 + 1 and 139 < 210.

2142337 is an apocalyptic number.

It is an amenable number.

142337 is a deficient number, since it is larger than the sum of its proper divisors (10963).

142337 is a wasteful number, since it uses less digits than its factorization.

142337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10962.

The product of its digits is 504, while the sum is 20.

The square root of 142337 is about 377.2757612145. The cubic root of 142337 is about 52.2122733089.

Adding to 142337 its reverse (733241), we get a palindrome (875578).

The spelling of 142337 in words is "one hundred forty-two thousand, three hundred thirty-seven".

Divisors: 1 13 10949 142337