142624 has 12 divisors (see below), whose sum is σ = 280854. Its totient is φ = 71296.

The previous prime is 142619. The next prime is 142657. The reversal of 142624 is 426241.

It can be written as a sum of positive squares in only one way, i.e., 110224 + 32400 = 332^2 + 180^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197 + ... + 2260.

2¹⁴²⁶²⁴ is an apocalyptic number.

It is an amenable number.

142624 is a deficient number, since it is larger than the sum of its proper divisors (138230).

142624 is an equidigital number, since it uses as much as digits as its factorization.

142624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4459 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 142624 is about 377.6559280615. The cubic root of 142624 is about 52.2473423402.

Adding to 142624 its reverse (426241), we get a palindrome (568865).

The spelling of 142624 in words is "one hundred forty-two thousand, six hundred twenty-four".