146642169 has 16 divisors (see below), whose sum is σ = 201924800. Its totient is φ = 94602816.

The previous prime is 146642161. The next prime is 146642173. The reversal of 146642169 is 961246641.

It is not a de Polignac number, because 146642169 - 2³ = 146642161 is a prime.

It is a super-2 number, since 2×146642169² = 43007851458049122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146642161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8847 + ... + 19275.

It is an arithmetic number, because the mean of its divisors is an integer number (12620300).

Almost surely, 2^146642169 is an apocalyptic number.

It is an amenable number.

146642169 is a deficient number, since it is larger than the sum of its proper divisors (55282631).

146642169 is a wasteful number, since it uses less digits than its factorization.

146642169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584.

The product of its digits is 62208, while the sum is 39.

The square root of 146642169 is about 12109.5899600275. The cubic root of 146642169 is about 527.3346294734.

The spelling of 146642169 in words is "one hundred forty-six million, six hundred forty-two thousand, one hundred sixty-nine".