420148 has 6 divisors (see below), whose sum is σ = 735266. Its totient is φ = 210072.

The previous prime is 420103. The next prime is 420149. The reversal of 420148 is 841024.

It can be written as a sum of positive squares in only one way, i.e., 242064 + 178084 = 492^2 + 422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420149) by changing a digit.

420148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52515 + ... + 52522.

2⁴²⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

420148 is a deficient number, since it is larger than the sum of its proper divisors (315118).

420148 is a wasteful number, since it uses less digits than its factorization.

420148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105041 (or 105039 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 420148 is about 648.1882442624. The cubic root of 420148 is about 74.8975192924.

The spelling of 420148 in words is "four hundred twenty thousand, one hundred forty-eight".