142351 has 4 divisors (see below), whose sum is σ = 155304. Its totient is φ = 129400.

The previous prime is 142327. The next prime is 142357. The reversal of 142351 is 153241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153241 = 11 ⋅13931.

It is a cyclic number.

It is not a de Polignac number, because 142351 - 2⁵ = 142319 is a prime.

It is a Duffinian number.

142351 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6460 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (38826).

2¹⁴²³⁵¹ is an apocalyptic number.

142351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142351 is a deficient number, since it is larger than the sum of its proper divisors (12953).

142351 is a wasteful number, since it uses less digits than its factorization.

142351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952.

The product of its digits is 120, while the sum is 16.

The square root of 142351 is about 377.2943148260. The cubic root of 142351 is about 52.2139850865.

Adding to 142351 its reverse (153241), we get a palindrome (295592).

The spelling of 142351 in words is "one hundred forty-two thousand, three hundred fifty-one".