146147 has 4 divisors (see below), whose sum is σ = 147696. Its totient is φ = 144600.

The previous prime is 146141. The next prime is 146161. The reversal of 146147 is 741641.

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

It is a cyclic number.

It is not a de Polignac number, because 146147 - 2¹⁴ = 129763 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146147.

It is not an unprimeable number, because it can be changed into a prime (146141) 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, 623 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (36924).

2¹⁴⁶¹⁴⁷ is an apocalyptic number.

146147 is a deficient number, since it is larger than the sum of its proper divisors (1549).

146147 is a wasteful number, since it uses less digits than its factorization.

146147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its digits is 672, while the sum is 23.

The square root of 146147 is about 382.2917733878. The cubic root of 146147 is about 52.6740406987.

Adding to 146147 its reverse (741641), we get a palindrome (887788).

The spelling of 146147 in words is "one hundred forty-six thousand, one hundred forty-seven".