142634 has 4 divisors (see below), whose sum is σ = 213954. Its totient is φ = 71316.

The previous prime is 142619. The next prime is 142657. The reversal of 142634 is 436241.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 133225 + 9409 = 365^2 + 97^2 .

It is a d-powerful number, because it can be written as 1 + 4³ + 6⁶ + 2¹⁵ + 3¹⁰ + 4⁶ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35657 + ... + 35660.

2¹⁴²⁶³⁴ is an apocalyptic number.

142634 is a deficient number, since it is larger than the sum of its proper divisors (71320).

142634 is an equidigital number, since it uses as much as digits as its factorization.

142634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71319.

The product of its digits is 576, while the sum is 20.

The square root of 142634 is about 377.6691673939. The cubic root of 142634 is about 52.2485634091.

Adding to 142634 its reverse (436241), we get a palindrome (578875).

It can be divided in two parts, 1426 and 34, that multiplied together give a palindrome (48484).

The spelling of 142634 in words is "one hundred forty-two thousand, six hundred thirty-four".