162145215 has 12 divisors (see below), whose sum is σ = 281051784. Its totient is φ = 86477424.

The previous prime is 162145213. The next prime is 162145219. The reversal of 162145215 is 512541261.

It is not a de Polignac number, because 162145215 - 2¹ = 162145213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162145213) 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, 1801569 + ... + 1801658.

It is an arithmetic number, because the mean of its divisors is an integer number (23420982).

Almost surely, 2^162145215 is an apocalyptic number.

162145215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162145215 is a deficient number, since it is larger than the sum of its proper divisors (118906569).

162145215 is a wasteful number, since it uses less digits than its factorization.

162145215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603238 (or 3603235 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 162145215 is about 12733.6253675063. The cubic root of 162145215 is about 545.2990138754.

Adding to 162145215 its reverse (512541261), we get a palindrome (674686476).

The spelling of 162145215 in words is "one hundred sixty-two million, one hundred forty-five thousand, two hundred fifteen".