146142689 has 8 divisors (see below), whose sum is σ = 182203968. Its totient is φ = 113877360.

The previous prime is 146142679. The next prime is 146142691. The reversal of 146142689 is 986241641.

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 146142689 - 2⁴ = 146142673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146142679) 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, 948902 + ... + 949055.

It is an arithmetic number, because the mean of its divisors is an integer number (22775496).

Almost surely, 2^146142689 is an apocalyptic number.

It is an amenable number.

146142689 is a deficient number, since it is larger than the sum of its proper divisors (36061279).

146142689 is a wasteful number, since it uses less digits than its factorization.

146142689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897975.

The product of its digits is 82944, while the sum is 41.

The square root of 146142689 is about 12088.9490444786. The cubic root of 146142689 is about 526.7352277263.

The spelling of 146142689 in words is "one hundred forty-six million, one hundred forty-two thousand, six hundred eighty-nine".