162420532 has 48 divisors (see below), whose sum is σ = 310302720. Its totient is φ = 74266080.

The previous prime is 162420521. The next prime is 162420539. The reversal of 162420532 is 235024261.

It is a junction number, because it is equal to n+sod(n) for n = 162420497 and 162420506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162420539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3455733 + ... + 3455779.

It is an arithmetic number, because the mean of its divisors is an integer number (6464640).

Almost surely, 2^162420532 is an apocalyptic number.

It is an amenable number.

162420532 is a deficient number, since it is larger than the sum of its proper divisors (147882188).

162420532 is an equidigital number, since it uses as much as digits as its factorization.

162420532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 162420532 is about 12744.4314114047. The cubic root of 162420532 is about 545.6074723495.

Adding to 162420532 its reverse (235024261), we get a palindrome (397444793).

The spelling of 162420532 in words is "one hundred sixty-two million, four hundred twenty thousand, five hundred thirty-two".