146381980 has 12 divisors (see below), whose sum is σ = 307402200. Its totient is φ = 58552784.

The previous prime is 146381971. The next prime is 146381981. The reversal of 146381980 is 89183641.

146381980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146381981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3659530 + ... + 3659569.

It is an arithmetic number, because the mean of its divisors is an integer number (25616850).

Almost surely, 2^146381980 is an apocalyptic number.

146381980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146381980 is an abundant number, since it is smaller than the sum of its proper divisors (161020220).

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

146381980 is a wasteful number, since it uses less digits than its factorization.

146381980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7319108 (or 7319106 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 146381980 is about 12098.8420933575. The cubic root of 146381980 is about 527.0225593959.

The spelling of 146381980 in words is "one hundred forty-six million, three hundred eighty-one thousand, nine hundred eighty".