147836210186242 has 4 divisors (see below), whose sum is σ = 221754315279366. Its totient is φ = 73918105093120.

The previous prime is 147836210186237. The next prime is 147836210186261. The reversal of 147836210186242 is 242681012638741.

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., 106949124907641 + 40887085278601 = 10341621^2 + 6394301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36959052546559 + ... + 36959052546562.

Almost surely, 2^{147836210186242} is an apocalyptic number.

147836210186242 is a deficient number, since it is larger than the sum of its proper divisors (73918105093124).

147836210186242 is an equidigital number, since it uses as much as digits as its factorization.

147836210186242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73918105093123.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 147836210186242 in words is "one hundred forty-seven trillion, eight hundred thirty-six billion, two hundred ten million, one hundred eighty-six thousand, two hundred forty-two".