146421849 has 12 divisors (see below), whose sum is σ = 227103504. Its totient is φ = 83669544.

The previous prime is 146421829. The next prime is 146421851. The reversal of 146421849 is 948124641.

It is not a de Polignac number, because 146421849 - 2⁹ = 146421337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146421829) 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 11 ways as a sum of consecutive naturals, for example, 497887 + ... + 498180.

It is an arithmetic number, because the mean of its divisors is an integer number (18925292).

Almost surely, 2^146421849 is an apocalyptic number.

It is an amenable number.

146421849 is a deficient number, since it is larger than the sum of its proper divisors (80681655).

146421849 is an equidigital number, since it uses as much as digits as its factorization.

146421849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996084 (or 996077 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 146421849 is about 12100.4896181931. The cubic root of 146421849 is about 527.0704021588.

The spelling of 146421849 in words is "one hundred forty-six million, four hundred twenty-one thousand, eight hundred forty-nine".