147418 has 4 divisors (see below), whose sum is σ = 221130. Its totient is φ = 73708.

The previous prime is 147409. The next prime is 147419. The reversal of 147418 is 814741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146689 + 729 = 383^2 + 27^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 147392 and 147401.

It is not an unprimeable number, because it can be changed into a prime (147419) by changing a digit.

147418 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 as a sum of consecutive naturals, namely, 36853 + ... + 36856.

2¹⁴⁷⁴¹⁸ is an apocalyptic number.

147418 is a deficient number, since it is larger than the sum of its proper divisors (73712).

147418 is an equidigital number, since it uses as much as digits as its factorization.

147418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73711.

The product of its digits is 896, while the sum is 25.

The square root of 147418 is about 383.9505176452. The cubic root of 147418 is about 52.8262973533.

It can be divided in two parts, 147 and 418, that added together give a palindrome (565).

The spelling of 147418 in words is "one hundred forty-seven thousand, four hundred eighteen".