162542401 has 8 divisors (see below), whose sum is σ = 185995584. Its totient is φ = 139147440.

The previous prime is 162542383. The next prime is 162542407. The reversal of 162542401 is 104245261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162542401 - 2⁷ = 162542273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162542407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8395 + ... + 19888.

It is an arithmetic number, because the mean of its divisors is an integer number (23249448).

Almost surely, 2^162542401 is an apocalyptic number.

It is an amenable number.

162542401 is a deficient number, since it is larger than the sum of its proper divisors (23453183).

162542401 is an equidigital number, since it uses as much as digits as its factorization.

162542401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29111.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 162542401 is about 12749.2117795572. The cubic root of 162542401 is about 545.7439001206.

Adding to 162542401 its reverse (104245261), we get a palindrome (266787662).

The spelling of 162542401 in words is "one hundred sixty-two million, five hundred forty-two thousand, four hundred one".