420152 has 16 divisors (see below), whose sum is σ = 815400. Its totient is φ = 202720.

The previous prime is 420149. The next prime is 420163. The reversal of 420152 is 251024.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674 + ... + 1137.

2⁴²⁰¹⁵² is an apocalyptic number.

It is an amenable number.

420152 is a deficient number, since it is larger than the sum of its proper divisors (395248).

420152 is a wasteful number, since it uses less digits than its factorization.

420152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 420152 is about 648.1913297785. The cubic root of 420152 is about 74.8977569778.

Adding to 420152 its reverse (251024), we get a palindrome (671176).

It can be divided in two parts, 4 and 20152, that multiplied together give a palindrome (80608).

The spelling of 420152 in words is "four hundred twenty thousand, one hundred fifty-two".