141645 has 32 divisors (see below), whose sum is σ = 276480. Its totient is φ = 60480.

The previous prime is 141637. The next prime is 141649. The reversal of 141645 is 546141.

It is not a de Polignac number, because 141645 - 2³ = 141637 is a prime.

It is a super-3 number, since 3×141645³ = 8525600945733375, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

141645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1960 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2¹⁴¹⁶⁴⁵ is an apocalyptic number.

141645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141645 is a deficient number, since it is larger than the sum of its proper divisors (134835).

141645 is a wasteful number, since it uses less digits than its factorization.

141645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105.

The product of its digits is 480, while the sum is 21.

The square root of 141645 is about 376.3575427702. The cubic root of 141645 is about 52.1275223204.

Adding to 141645 its reverse (546141), we get a palindrome (687786).

Subtracting 141645 from its reverse (546141), we obtain a square (404496 = 636²).

The spelling of 141645 in words is "one hundred forty-one thousand, six hundred forty-five".