146803890 has 16 divisors (see below), whose sum is σ = 352329408. Its totient is φ = 39147696.

The previous prime is 146803847. The next prime is 146803907. The reversal of 146803890 is 98308641.

It is a Curzon 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, 2446702 + ... + 2446761.

It is an arithmetic number, because the mean of its divisors is an integer number (22020588).

Almost surely, 2^146803890 is an apocalyptic number.

146803890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146803890 is an abundant number, since it is smaller than the sum of its proper divisors (205525518).

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

146803890 is a wasteful number, since it uses less digits than its factorization.

146803890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893473.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 146803890 is about 12116.2655137629. The cubic root of 146803890 is about 527.5284112787.

The spelling of 146803890 in words is "one hundred forty-six million, eight hundred three thousand, eight hundred ninety".