146003449 has 4 divisors (see below), whose sum is σ = 146646864. Its totient is φ = 145360036.

The previous prime is 146003441. The next prime is 146003489. The reversal of 146003449 is 944300641.

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.

It is a cyclic number.

It is not a de Polignac number, because 146003449 - 2³ = 146003441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146003449.

It is not an unprimeable number, because it can be changed into a prime (146003441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321367 + ... + 321820.

It is an arithmetic number, because the mean of its divisors is an integer number (36661716).

Almost surely, 2^146003449 is an apocalyptic number.

It is an amenable number.

146003449 is a deficient number, since it is larger than the sum of its proper divisors (643415).

146003449 is an equidigital number, since it uses as much as digits as its factorization.

146003449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643414.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 146003449 is about 12083.1886933872. The cubic root of 146003449 is about 526.5678891734.

The spelling of 146003449 in words is "one hundred forty-six million, three thousand, four hundred forty-nine".