146839293 has 6 divisors (see below), whose sum is σ = 212101214. Its totient is φ = 97892856.

The previous prime is 146839271. The next prime is 146839313. The reversal of 146839293 is 392938641.

It is a happy number.

146839293 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., 117223929 + 29615364 = 10827^2 + 5442^2 .

It is not a de Polignac number, because 146839293 - 2¹⁰ = 146838269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146839223) 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, 8157730 + ... + 8157747.

Almost surely, 2^146839293 is an apocalyptic number.

It is an amenable number.

146839293 is a deficient number, since it is larger than the sum of its proper divisors (65261921).

146839293 is a wasteful number, since it uses less digits than its factorization.

146839293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16315483 (or 16315480 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 146839293 is about 12117.7263956569. The cubic root of 146839293 is about 527.5708138500.

The spelling of 146839293 in words is "one hundred forty-six million, eight hundred thirty-nine thousand, two hundred ninety-three".