146645 has 8 divisors (see below), whose sum is σ = 178080. Its totient is φ = 115920.

The previous prime is 146639. The next prime is 146647. The reversal of 146645 is 546641.

It is a happy number.

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

It is not a de Polignac number, because 146645 - 2⁶ = 146581 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146645.

It is not an unprimeable number, because it can be changed into a prime (146647) 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, 590 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (22260).

2¹⁴⁶⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

146645 is a deficient number, since it is larger than the sum of its proper divisors (31435).

146645 is a wasteful number, since it uses less digits than its factorization.

146645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its digits is 2880, while the sum is 26.

The square root of 146645 is about 382.9425544387. The cubic root of 146645 is about 52.7338022937.

The spelling of 146645 in words is "one hundred forty-six thousand, six hundred forty-five".