147047522 has 4 divisors (see below), whose sum is σ = 220571286. Its totient is φ = 73523760.

The previous prime is 147047521. The next prime is 147047543. The reversal of 147047522 is 225740741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225740741 = 1597 ⋅141353.

It can be written as a sum of positive squares in only one way, i.e., 146918641 + 128881 = 12121^2 + 359^2 .

It is not an unprimeable number, because it can be changed into a prime (147047521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36761879 + ... + 36761882.

Almost surely, 2^147047522 is an apocalyptic number.

147047522 is a deficient number, since it is larger than the sum of its proper divisors (73523764).

147047522 is an equidigital number, since it uses as much as digits as its factorization.

147047522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73523763.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 147047522 is about 12126.3152688688. The cubic root of 147047522 is about 527.8200742349.

The spelling of 147047522 in words is "one hundred forty-seven million, forty-seven thousand, five hundred twenty-two".