142670 has 16 divisors (see below), whose sum is σ = 280368. Its totient is φ = 51840.

The previous prime is 142657. The next prime is 142673. The reversal of 142670 is 76241.

142670 = T₇₆ + T₇₇ + ... + T₁₀₈.

142670 is nontrivially palindromic in base 9.

142670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142673) by changing a digit.

142670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539 + ... + 758.

It is an arithmetic number, because the mean of its divisors is an integer number (17523).

2¹⁴²⁶⁷⁰ is an apocalyptic number.

142670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142670 is a deficient number, since it is larger than the sum of its proper divisors (137698).

142670 is a wasteful number, since it uses less digits than its factorization.

142670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 142670 is about 377.7168251482. The cubic root of 142670 is about 52.2529587849.

The spelling of 142670 in words is "one hundred forty-two thousand, six hundred seventy".