146065140 has 96 divisors (see below), whose sum is σ = 489404160. Its totient is φ = 35952768.

The previous prime is 146065091. The next prime is 146065177. The reversal of 146065140 is 41560641.

146065140 is a `hidden beast` number, since 1 + 4 + 6 + 0 + 651 + 4 + 0 = 666.

146065140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3384 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (5097960).

Almost surely, 2^146065140 is an apocalyptic number.

146065140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146065140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244702080).

146065140 is an abundant number, since it is smaller than the sum of its proper divisors (343339020).

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

146065140 is a wasteful number, since it uses less digits than its factorization.

146065140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838 (or 20830 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 146065140 is about 12085.7411853804. The cubic root of 146065140 is about 526.6420425027.

The spelling of 146065140 in words is "one hundred forty-six million, sixty-five thousand, one hundred forty".