162137243 has 4 divisors (see below), whose sum is σ = 162184560. Its totient is φ = 162089928.

The previous prime is 162137221. The next prime is 162137249. The reversal of 162137243 is 342731261.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 162137243 - 2⁸ = 162136987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162137249) 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, 18080 + ... + 25517.

It is an arithmetic number, because the mean of its divisors is an integer number (40546140).

Almost surely, 2^162137243 is an apocalyptic number.

162137243 is a deficient number, since it is larger than the sum of its proper divisors (47317).

162137243 is an equidigital number, since it uses as much as digits as its factorization.

162137243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316.

The product of its digits is 6048, while the sum is 29.

The square root of 162137243 is about 12733.3123341886. The cubic root of 162137243 is about 545.2900770407.

The spelling of 162137243 in words is "one hundred sixty-two million, one hundred thirty-seven thousand, two hundred forty-three".