142051 has 12 divisors (see below), whose sum is σ = 178752. Its totient is φ = 111888.

The previous prime is 142049. The next prime is 142057. The reversal of 142051 is 150241.

142051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142051 - 2¹ = 142049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

142051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (142057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526 + ... + 748.

It is an arithmetic number, because the mean of its divisors is an integer number (14896).

2¹⁴²⁰⁵¹ is an apocalyptic number.

142051 is a deficient number, since it is larger than the sum of its proper divisors (36701).

142051 is a wasteful number, since it uses less digits than its factorization.

142051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 142051 is about 376.8965375272. The cubic root of 142051 is about 52.1772795432.

Adding to 142051 its reverse (150241), we get a palindrome (292292).

The spelling of 142051 in words is "one hundred forty-two thousand, fifty-one".