147697169 has 4 divisors (see below), whose sum is σ = 147774900. Its totient is φ = 147619440.

The previous prime is 147697141. The next prime is 147697181. The reversal of 147697169 is 961796741.

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 74166544 + 73530625 = 8612^2 + 8575^2 .

It is a cyclic number.

It is not a de Polignac number, because 147697169 - 2¹⁶ = 147631633 is a prime.

It is a super-2 number, since 2×147697169² = 43628907461229122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147697189) 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, 35942 + ... + 39839.

It is an arithmetic number, because the mean of its divisors is an integer number (36943725).

Almost surely, 2^147697169 is an apocalyptic number.

It is an amenable number.

147697169 is a deficient number, since it is larger than the sum of its proper divisors (77731).

147697169 is an equidigital number, since it uses as much as digits as its factorization.

147697169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77730.

The product of its digits is 571536, while the sum is 50.

The square root of 147697169 is about 12153.0724098888. The cubic root of 147697169 is about 528.5962246777.

The spelling of 147697169 in words is "one hundred forty-seven million, six hundred ninety-seven thousand, one hundred sixty-nine".