146643040 has 48 divisors (see below), whose sum is σ = 347493888. Its totient is φ = 58479616.

The previous prime is 146643023. The next prime is 146643067. The reversal of 146643040 is 40346641.

It is a happy number.

146643040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60084 + ... + 62476.

It is an arithmetic number, because the mean of its divisors is an integer number (7239456).

Almost surely, 2^146643040 is an apocalyptic number.

146643040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146643040 is an abundant number, since it is smaller than the sum of its proper divisors (200850848).

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

146643040 is a wasteful number, since it uses less digits than its factorization.

146643040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 146643040 is about 12109.6259232067. The cubic root of 146643040 is about 527.3356735286.

Adding to 146643040 its reverse (40346641), we get a palindrome (186989681).

The spelling of 146643040 in words is "one hundred forty-six million, six hundred forty-three thousand, forty".