146240223 has 8 divisors (see below), whose sum is σ = 196917936. Its totient is φ = 96528000.

The previous prime is 146240221. The next prime is 146240231. The reversal of 146240223 is 322042641.

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

It is not a de Polignac number, because 146240223 - 2¹ = 146240221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146240193 and 146240202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146240221) 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, 241018 + ... + 241623.

It is an arithmetic number, because the mean of its divisors is an integer number (24614742).

Almost surely, 2^146240223 is an apocalyptic number.

146240223 is a deficient number, since it is larger than the sum of its proper divisors (50677713).

146240223 is a wasteful number, since it uses less digits than its factorization.

146240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482745.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 146240223 is about 12092.9823864918. The cubic root of 146240223 is about 526.8523807392.

Adding to 146240223 its reverse (322042641), we get a palindrome (468282864).

The spelling of 146240223 in words is "one hundred forty-six million, two hundred forty thousand, two hundred twenty-three".