100215162 has 24 divisors (see below), whose sum is σ = 219375156. Its totient is φ = 33060096.

The previous prime is 100215161. The next prime is 100215169. The reversal of 100215162 is 261512001.

It can be written as a sum of positive squares in 2 ways, for example, as 90611361 + 9603801 = 9519^2 + 3099^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100215161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26953 + ... + 30444.

Almost surely, 2^100215162 is an apocalyptic number.

100215162 is an abundant number, since it is smaller than the sum of its proper divisors (119159994).

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

100215162 is a wasteful number, since it uses less digits than its factorization.

100215162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57502 (or 57499 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 100215162 is about 10010.7523193814. The cubic root of 100215162 is about 464.4915427353.

Adding to 100215162 its reverse (261512001), we get a palindrome (361727163).

The spelling of 100215162 in words is "one hundred million, two hundred fifteen thousand, one hundred sixty-two".