142324538 has 4 divisors (see below), whose sum is σ = 213486810. Its totient is φ = 71162268.

The previous prime is 142324531. The next prime is 142324577. The reversal of 142324538 is 835423241.

142324538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835423241 = 5477 ⋅152533.

It can be written as a sum of positive squares in only one way, i.e., 121594729 + 20729809 = 11027^2 + 4553^2 .

It is not an unprimeable number, because it can be changed into a prime (142324531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35581133 + ... + 35581136.

Almost surely, 2^142324538 is an apocalyptic number.

142324538 is a deficient number, since it is larger than the sum of its proper divisors (71162272).

142324538 is an equidigital number, since it uses as much as digits as its factorization.

142324538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71162271.

The product of its digits is 23040, while the sum is 32.

The square root of 142324538 is about 11929.9848281546. The cubic root of 142324538 is about 522.1074948785.

Adding to 142324538 its reverse (835423241), we get a palindrome (977747779).

The spelling of 142324538 in words is "one hundred forty-two million, three hundred twenty-four thousand, five hundred thirty-eight".