168150243 has 4 divisors (see below), whose sum is σ = 224200328. Its totient is φ = 112100160.

The previous prime is 168150239. The next prime is 168150271. The reversal of 168150243 is 342051861.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 168150243 - 2² = 168150239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168150243.

It is not an unprimeable number, because it can be changed into a prime (168150233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28025038 + ... + 28025043.

It is an arithmetic number, because the mean of its divisors is an integer number (56050082).

Almost surely, 2^168150243 is an apocalyptic number.

168150243 is a deficient number, since it is larger than the sum of its proper divisors (56050085).

168150243 is an equidigital number, since it uses as much as digits as its factorization.

168150243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56050084.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 168150243 is about 12967.2758511570. The cubic root of 168150243 is about 551.9492739829.

The spelling of 168150243 in words is "one hundred sixty-eight million, one hundred fifty thousand, two hundred forty-three".