142543354 has 4 divisors (see below), whose sum is σ = 213815034. Its totient is φ = 71271676.

The previous prime is 142543309. The next prime is 142543361. The reversal of 142543354 is 453345241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453345241 = 41 ⋅11057201.

It can be written as a sum of positive squares in only one way, i.e., 138650625 + 3892729 = 11775^2 + 1973^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35635837 + ... + 35635840.

Almost surely, 2^142543354 is an apocalyptic number.

142543354 is a deficient number, since it is larger than the sum of its proper divisors (71271680).

142543354 is an equidigital number, since it uses as much as digits as its factorization.

142543354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71271679.

The product of its digits is 28800, while the sum is 31.

The square root of 142543354 is about 11939.1521474517. The cubic root of 142543354 is about 522.3749282072.

Adding to 142543354 its reverse (453345241), we get a palindrome (595888595).

The spelling of 142543354 in words is "one hundred forty-two million, five hundred forty-three thousand, three hundred fifty-four".