146791789 has 12 divisors (see below), whose sum is σ = 153255648. Its totient is φ = 140582520.

The previous prime is 146791783. The next prime is 146791793. The reversal of 146791789 is 987197641.

It is not a de Polignac number, because 146791789 - 2¹³ = 146783597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146791783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98242 + ... + 99724.

It is an arithmetic number, because the mean of its divisors is an integer number (12771304).

Almost surely, 2^146791789 is an apocalyptic number.

It is an amenable number.

146791789 is a deficient number, since it is larger than the sum of its proper divisors (6463859).

146791789 is a wasteful number, since it uses less digits than its factorization.

146791789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1617 counting only the distinct ones).

The product of its digits is 762048, while the sum is 52.

The square root of 146791789 is about 12115.7661334313. The cubic root of 146791789 is about 527.5139162116.

The spelling of 146791789 in words is "one hundred forty-six million, seven hundred ninety-one thousand, seven hundred eighty-nine".