40146 has 8 divisors (see below), whose sum is σ = 80304. Its totient is φ = 13380.

The previous prime is 40129. The next prime is 40151. The reversal of 40146 is 64104.

40146 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

40146 is an admirable number.

It is a super-2 number, since 2×40146² = 3223402632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (10038).

2⁴⁰¹⁴⁶ is an apocalyptic number.

40146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40152).

40146 is a wasteful number, since it uses less digits than its factorization.

40146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40146 is about 200.3646675440. The cubic root of 40146 is about 34.2410778259.

The spelling of 40146 in words is "forty thousand, one hundred forty-six".