142654 has 4 divisors (see below), whose sum is σ = 213984. Its totient is φ = 71326.

The previous prime is 142619. The next prime is 142657. The reversal of 142654 is 456241.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142657) by changing a digit.

142654 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 as a sum of consecutive naturals, namely, 35662 + ... + 35665.

It is an arithmetic number, because the mean of its divisors is an integer number (53496).

2¹⁴²⁶⁵⁴ is an apocalyptic number.

142654 is a deficient number, since it is larger than the sum of its proper divisors (71330).

142654 is an equidigital number, since it uses as much as digits as its factorization.

142654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71329.

The product of its digits is 960, while the sum is 22.

The square root of 142654 is about 377.6956446664. The cubic root of 142654 is about 52.2510053758.

Adding to 142654 its reverse (456241), we get a palindrome (598895).

The spelling of 142654 in words is "one hundred forty-two thousand, six hundred fifty-four".