162742147 has 2 divisors, whose sum is σ = 162742148. Its totient is φ = 162742146.

The previous prime is 162742127. The next prime is 162742183. The reversal of 162742147 is 741247261.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (741247261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162742147 - 2²³ = 154353539 is a prime.

It is not a weakly prime, because it can be changed into another prime (162742127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81371073 + 81371074.

It is an arithmetic number, because the mean of its divisors is an integer number (81371074).

Almost surely, 2^162742147 is an apocalyptic number.

162742147 is a deficient number, since it is larger than the sum of its proper divisors (1).

162742147 is an equidigital number, since it uses as much as digits as its factorization.

162742147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 34.

The square root of 162742147 is about 12757.0430351238. The cubic root of 162742147 is about 545.9673608652.

The spelling of 162742147 in words is "one hundred sixty-two million, seven hundred forty-two thousand, one hundred forty-seven".