147242 has 8 divisors (see below), whose sum is σ = 223776. Its totient is φ = 72652.

The previous prime is 147229. The next prime is 147253. The reversal of 147242 is 242741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147242.

It is an unprimeable number.

147242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 609.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2¹⁴⁷²⁴² is an apocalyptic number.

147242 is a deficient number, since it is larger than the sum of its proper divisors (76534).

147242 is an equidigital number, since it uses as much as digits as its factorization.

147242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its digits is 448, while the sum is 20.

The square root of 147242 is about 383.7212529949. The cubic root of 147242 is about 52.8052661567.

Adding to 147242 its reverse (242741), we get a palindrome (389983).

The spelling of 147242 in words is "one hundred forty-seven thousand, two hundred forty-two", and thus it is an iban number.