142965 has 20 divisors (see below), whose sum is σ = 257004. Its totient is φ = 76032.

The previous prime is 142963. The next prime is 142969. The reversal of 142965 is 569241.

It can be written as a sum of positive squares in 2 ways, for example, as 54756 + 88209 = 234^2 + 297^2 .

It is not a de Polignac number, because 142965 - 2¹ = 142963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142963) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 229 + ... + 581.

2¹⁴²⁹⁶⁵ is an apocalyptic number.

142965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142965 is a deficient number, since it is larger than the sum of its proper divisors (114039).

142965 is an equidigital number, since it uses as much as digits as its factorization.

142965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 361 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 142965 is about 378.1071276768. The cubic root of 142965 is about 52.2889486232.

The spelling of 142965 in words is "one hundred forty-two thousand, nine hundred sixty-five".