147971606 has 4 divisors (see below), whose sum is σ = 221957412. Its totient is φ = 73985802.

The previous prime is 147971567. The next prime is 147971611. The reversal of 147971606 is 606179741.

147971606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 36992900 + ... + 36992903.

It is an arithmetic number, because the mean of its divisors is an integer number (55489353).

Almost surely, 2^147971606 is an apocalyptic number.

147971606 is a deficient number, since it is larger than the sum of its proper divisors (73985806).

147971606 is an equidigital number, since it uses as much as digits as its factorization.

147971606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73985805.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 147971606 is about 12164.3580184077. The cubic root of 147971606 is about 528.9234180517.

The spelling of 147971606 in words is "one hundred forty-seven million, nine hundred seventy-one thousand, six hundred six".