147205069 has 4 divisors (see below), whose sum is σ = 160587360. Its totient is φ = 133822780.

The previous prime is 147205063. The next prime is 147205087. The reversal of 147205069 is 960502741.

147205069 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960502741 = 11 ⋅87318431.

It is a cyclic number.

It is not a de Polignac number, because 147205069 - 2²⁵ = 113650637 is a prime.

It is a super-2 number, since 2×147205069² = 43338664678589522, 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 (147205063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6691129 + ... + 6691150.

It is an arithmetic number, because the mean of its divisors is an integer number (40146840).

Almost surely, 2^147205069 is an apocalyptic number.

It is an amenable number.

147205069 is a deficient number, since it is larger than the sum of its proper divisors (13382291).

147205069 is a wasteful number, since it uses less digits than its factorization.

147205069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382290.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 147205069 is about 12132.8096086603. The cubic root of 147205069 is about 528.0085094378.

The spelling of 147205069 in words is "one hundred forty-seven million, two hundred five thousand, sixty-nine".