162042847 has 4 divisors (see below), whose sum is σ = 162134136. Its totient is φ = 161951560.

The previous prime is 162042841. The next prime is 162042871. The reversal of 162042847 is 748240261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748240261 = 17 ⋅44014133.

It is a cyclic number.

It is not a de Polignac number, because 162042847 - 2²³ = 153654239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162042841) 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, 42928 + ... + 46549.

It is an arithmetic number, because the mean of its divisors is an integer number (40533534).

Almost surely, 2^162042847 is an apocalyptic number.

162042847 is a deficient number, since it is larger than the sum of its proper divisors (91289).

162042847 is an equidigital number, since it uses as much as digits as its factorization.

162042847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91288.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 162042847 is about 12729.6051392021. The cubic root of 162042847 is about 545.1842342094.

The spelling of 162042847 in words is "one hundred sixty-two million, forty-two thousand, eight hundred forty-seven".