146671789 has 8 divisors (see below), whose sum is σ = 161175168. Its totient is φ = 132363360.

The previous prime is 146671781. The next prime is 146671793. The reversal of 146671789 is 987176641.

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

It is a cyclic number.

It is not a de Polignac number, because 146671789 - 2³ = 146671781 is a prime.

It is a super-2 number, since 2×146671789² = 43025227376921042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146671781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47157 + ... + 50170.

It is an arithmetic number, because the mean of its divisors is an integer number (20146896).

Almost surely, 2^146671789 is an apocalyptic number.

It is an amenable number.

146671789 is a deficient number, since it is larger than the sum of its proper divisors (14503379).

146671789 is a wasteful number, since it uses less digits than its factorization.

146671789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97475.

The product of its digits is 508032, while the sum is 49.

The square root of 146671789 is about 12110.8128959207. The cubic root of 146671789 is about 527.3701322220.

The spelling of 146671789 in words is "one hundred forty-six million, six hundred seventy-one thousand, seven hundred eighty-nine".