146803889 has 8 divisors (see below), whose sum is σ = 150940800. Its totient is φ = 142709296.

The previous prime is 146803847. The next prime is 146803907. The reversal of 146803889 is 988308641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-146803889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146803819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3479 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (18867600).

Almost surely, 2^146803889 is an apocalyptic number.

It is an amenable number.

146803889 is a deficient number, since it is larger than the sum of its proper divisors (4136911).

146803889 is a wasteful number, since it uses less digits than its factorization.

146803889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21159.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 146803889 is about 12116.2654724961. The cubic root of 146803889 is about 527.5284100809.

The spelling of 146803889 in words is "one hundred forty-six million, eight hundred three thousand, eight hundred eighty-nine".