162420524 has 48 divisors (see below), whose sum is σ = 332666880. Its totient is φ = 67953600.

The previous prime is 162420521. The next prime is 162420539. The reversal of 162420524 is 425024261.

It is a junction number, because it is equal to n+sod(n) for n = 162420493 and 162420502.

It is not an unprimeable number, because it can be changed into a prime (162420521) 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, 223049 + ... + 223775.

It is an arithmetic number, because the mean of its divisors is an integer number (6930560).

Almost surely, 2^162420524 is an apocalyptic number.

162420524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

162420524 is an abundant number, since it is smaller than the sum of its proper divisors (170246356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162420524 is a wasteful number, since it uses less digits than its factorization.

162420524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 162420524 is about 12744.4310975422. The cubic root of 162420524 is about 545.6074633915.

Adding to 162420524 its reverse (425024261), we get a palindrome (587444785).

The spelling of 162420524 in words is "one hundred sixty-two million, four hundred twenty thousand, five hundred twenty-four".