421446148 has 6 divisors (see below), whose sum is σ = 737530766. Its totient is φ = 210723072.

The previous prime is 421446127. The next prime is 421446161. The reversal of 421446148 is 841644124.

It can be written as a sum of positive squares in only one way, i.e., 314778564 + 106667584 = 17742^2 + 10328^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52680765 + ... + 52680772.

Almost surely, 2^421446148 is an apocalyptic number.

It is an amenable number.

421446148 is a deficient number, since it is larger than the sum of its proper divisors (316084618).

421446148 is a wasteful number, since it uses less digits than its factorization.

421446148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105361541 (or 105361539 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 421446148 is about 20529.1536113889. The cubic root of 421446148 is about 749.7457793203.

The spelling of 421446148 in words is "four hundred twenty-one million, four hundred forty-six thousand, one hundred forty-eight".