146236429 has 4 divisors (see below), whose sum is σ = 146413660. Its totient is φ = 146059200.

The previous prime is 146236427. The next prime is 146236481. The reversal of 146236429 is 924632641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924632641 = 10313 ⋅89657.

It can be written as a sum of positive squares in 2 ways, for example, as 128368900 + 17867529 = 11330^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 146236429 - 2¹ = 146236427 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 (146236427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87372 + ... + 89029.

It is an arithmetic number, because the mean of its divisors is an integer number (36603415).

Almost surely, 2^146236429 is an apocalyptic number.

It is an amenable number.

146236429 is a deficient number, since it is larger than the sum of its proper divisors (177231).

146236429 is an equidigital number, since it uses as much as digits as its factorization.

146236429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177230.

The product of its digits is 62208, while the sum is 37.

The square root of 146236429 is about 12092.8255176365. The cubic root of 146236429 is about 526.8478245481.

The spelling of 146236429 in words is "one hundred forty-six million, two hundred thirty-six thousand, four hundred twenty-nine".