147608669 has 4 divisors (see below), whose sum is σ = 158963196. Its totient is φ = 136254144.

The previous prime is 147608627. The next prime is 147608677. The reversal of 147608669 is 966806741.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 136305625 = 3362^2 + 11675^2 .

It is not a de Polignac number, because 147608669 - 2²⁴ = 130831453 is a prime.

It is a super-2 number, since 2×147608669² = 43576638327903122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147608689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5677244 + ... + 5677269.

It is an arithmetic number, because the mean of its divisors is an integer number (39740799).

Almost surely, 2^147608669 is an apocalyptic number.

It is an amenable number.

147608669 is a deficient number, since it is larger than the sum of its proper divisors (11354527).

147608669 is a wasteful number, since it uses less digits than its factorization.

147608669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354526.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 147608669 is about 12149.4308097129. The cubic root of 147608669 is about 528.4906254686.

The spelling of 147608669 in words is "one hundred forty-seven million, six hundred eight thousand, six hundred sixty-nine".