146343040 has 64 divisors (see below), whose sum is σ = 351630720. Its totient is φ = 58240000.

The previous prime is 146342983. The next prime is 146343047. The reversal of 146343040 is 40343641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 146342996 and 146343014.

It is not an unprimeable number, because it can be changed into a prime (146343047) 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, 160185 + ... + 161095.

It is an arithmetic number, because the mean of its divisors is an integer number (5494230).

Almost surely, 2^146343040 is an apocalyptic number.

146343040 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 146343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175815360).

146343040 is an abundant number, since it is smaller than the sum of its proper divisors (205287680).

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

146343040 is an equidigital number, since it uses as much as digits as its factorization.

146343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 146343040 is about 12097.2327414165. The cubic root of 146343040 is about 526.9758230456.

Adding to 146343040 its reverse (40343641), we get a palindrome (186686681).

The spelling of 146343040 in words is "one hundred forty-six million, three hundred forty-three thousand, forty".