146803780 has 24 divisors (see below), whose sum is σ = 315808920. Its totient is φ = 57288960.

The previous prime is 146803751. The next prime is 146803801. The reversal of 146803780 is 87308641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23193856 + 123609924 = 4816^2 + 11118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88695 + ... + 90334.

It is an arithmetic number, because the mean of its divisors is an integer number (13158705).

Almost surely, 2^146803780 is an apocalyptic number.

146803780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146803780 is an abundant number, since it is smaller than the sum of its proper divisors (169005140).

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

146803780 is a wasteful number, since it uses less digits than its factorization.

146803780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179079 (or 179077 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 146803780 is about 12116.2609744096. The cubic root of 146803780 is about 527.5282795198.

The spelling of 146803780 in words is "one hundred forty-six million, eight hundred three thousand, seven hundred eighty".