146449429 has 4 divisors (see below), whose sum is σ = 167370784. Its totient is φ = 125528076.

The previous prime is 146449399. The next prime is 146449439. The reversal of 146449429 is 924944641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924944641 = 163 ⋅5674507.

It is a cyclic number.

It is not a de Polignac number, because 146449429 - 2⁹ = 146448917 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146449439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10460667 + ... + 10460680.

It is an arithmetic number, because the mean of its divisors is an integer number (41842696).

Almost surely, 2^146449429 is an apocalyptic number.

It is an amenable number.

146449429 is a deficient number, since it is larger than the sum of its proper divisors (20921355).

146449429 is an equidigital number, since it uses as much as digits as its factorization.

146449429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20921354.

The product of its digits is 248832, while the sum is 43.

The square root of 146449429 is about 12101.6291878408. The cubic root of 146449429 is about 527.1034930515.

The spelling of 146449429 in words is "one hundred forty-six million, four hundred forty-nine thousand, four hundred twenty-nine".