146516440 has 64 divisors (see below), whose sum is σ = 393154560. Its totient is φ = 48048000.

The previous prime is 146516413. The next prime is 146516453. The reversal of 146516440 is 44615641.

146516440 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 15 ways as a sum of consecutive naturals, for example, 4936 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (6143040).

Almost surely, 2^146516440 is an apocalyptic number.

146516440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146516440 is an abundant number, since it is smaller than the sum of its proper divisors (246638120).

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

146516440 is a wasteful number, since it uses less digits than its factorization.

146516440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22792 (or 22788 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 146516440 is about 12104.3975479988. The cubic root of 146516440 is about 527.1838765358.

The spelling of 146516440 in words is "one hundred forty-six million, five hundred sixteen thousand, four hundred forty".