147142 has 4 divisors (see below), whose sum is σ = 220716. Its totient is φ = 73570.

The previous prime is 147139. The next prime is 147151. The reversal of 147142 is 241741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241741 = 103 ⋅2347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36784 + ... + 36787.

It is an arithmetic number, because the mean of its divisors is an integer number (55179).

2¹⁴⁷¹⁴² is an apocalyptic number.

147142 is a deficient number, since it is larger than the sum of its proper divisors (73574).

147142 is an equidigital number, since it uses as much as digits as its factorization.

147142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73573.

The product of its digits is 224, while the sum is 19.

The square root of 147142 is about 383.5909279428. The cubic root of 147142 is about 52.7933091460.

Adding to 147142 its reverse (241741), we get a palindrome (388883).

It can be divided in two parts, 147 and 142, that added together give a square (289 = 17²).

The spelling of 147142 in words is "one hundred forty-seven thousand, one hundred forty-two", and thus it is an iban number.