146801209 has 8 divisors (see below), whose sum is σ = 147888000. Its totient is φ = 145718832.

The previous prime is 146801191. The next prime is 146801243. The reversal of 146801209 is 902108641.

It is a happy number.

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 146801209 - 2¹¹ = 146799161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146801299) 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, 92182 + ... + 93760.

It is an arithmetic number, because the mean of its divisors is an integer number (18486000).

Almost surely, 2^146801209 is an apocalyptic number.

It is an amenable number.

146801209 is a deficient number, since it is larger than the sum of its proper divisors (1086791).

146801209 is a wasteful number, since it uses less digits than its factorization.

146801209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 146801209 is about 12116.1548768576. The cubic root of 146801209 is about 527.5251999372.

The spelling of 146801209 in words is "one hundred forty-six million, eight hundred one thousand, two hundred nine".