147445669 has 8 divisors (see below), whose sum is σ = 168638400. Its totient is φ = 126285216.

The previous prime is 147445637. The next prime is 147445693. The reversal of 147445669 is 966544741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147445669 - 2⁵ = 147445637 is a prime.

It is a super-2 number, since 2×147445669² = 43480450613715122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147445069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2682 + ... + 17380.

It is an arithmetic number, because the mean of its divisors is an integer number (21079800).

Almost surely, 2^147445669 is an apocalyptic number.

It is an amenable number.

147445669 is a deficient number, since it is larger than the sum of its proper divisors (21192731).

147445669 is a wasteful number, since it uses less digits than its factorization.

147445669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16139.

The product of its digits is 725760, while the sum is 46.

The square root of 147445669 is about 12142.7208236046. The cubic root of 147445669 is about 528.2960214959.

The spelling of 147445669 in words is "one hundred forty-seven million, four hundred forty-five thousand, six hundred sixty-nine".