146238273 has 6 divisors (see below), whose sum is σ = 211233074. Its totient is φ = 97492176.

The previous prime is 146238263. The next prime is 146238277. The reversal of 146238273 is 372832641.

It is a happy number.

146238273 is a `hidden beast` number, since 1 + 4 + 623 + 8 + 27 + 3 = 666.

146238273 is nontrivially palindromic in base 8.

146238273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131400369 + 14837904 = 11463^2 + 3852^2 .

It is not a de Polignac number, because 146238273 - 2¹² = 146234177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146238277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8124340 + ... + 8124357.

Almost surely, 2^146238273 is an apocalyptic number.

It is an amenable number.

146238273 is a deficient number, since it is larger than the sum of its proper divisors (64994801).

146238273 is a wasteful number, since it uses less digits than its factorization.

146238273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248703 (or 16248700 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 146238273 is about 12092.9017609505. The cubic root of 146238273 is about 526.8500390061.

The spelling of 146238273 in words is "one hundred forty-six million, two hundred thirty-eight thousand, two hundred seventy-three".