146047 has 12 divisors (see below), whose sum is σ = 172368. Its totient is φ = 123200.

The previous prime is 146033. The next prime is 146051. The reversal of 146047 is 740641.

It is not a de Polignac number, because 146047 - 2¹¹ = 143999 is a prime.

It is a Duffinian number.

146047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2¹⁴⁶⁰⁴⁷ is an apocalyptic number.

146047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

146047 is the 242-nd heptagonal number.

146047 is a deficient number, since it is larger than the sum of its proper divisors (26321).

146047 is a wasteful number, since it uses less digits than its factorization.

146047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 146047 is about 382.1609608529. The cubic root of 146047 is about 52.6620240170.

Adding to 146047 its reverse (740641), we get a palindrome (886688).

The spelling of 146047 in words is "one hundred forty-six thousand, forty-seven".