146781380 has 48 divisors (see below), whose sum is σ = 319515840. Its totient is φ = 56604288.

The previous prime is 146781367. The next prime is 146781413. The reversal of 146781380 is 83187641.

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, 61367 + ... + 63713.

It is an arithmetic number, because the mean of its divisors is an integer number (6656580).

Almost surely, 2^146781380 is an apocalyptic number.

146781380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146781380 is an abundant number, since it is smaller than the sum of its proper divisors (172734460).

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

146781380 is a wasteful number, since it uses less digits than its factorization.

146781380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 146781380 is about 12115.3365615653. The cubic root of 146781380 is about 527.5014472531.

The spelling of 146781380 in words is "one hundred forty-six million, seven hundred eighty-one thousand, three hundred eighty".