162145426 has 4 divisors (see below), whose sum is σ = 243218142. Its totient is φ = 81072712.

The previous prime is 162145421. The next prime is 162145453. The reversal of 162145426 is 624541261.

It is a happy number.

162145426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 99022401 + 63123025 = 9951^2 + 7945^2 .

It is a super-2 number, since 2×162145426² = 52582278345442952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (162145421) 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 as a sum of consecutive naturals, namely, 40536355 + ... + 40536358.

Almost surely, 2^162145426 is an apocalyptic number.

162145426 is a deficient number, since it is larger than the sum of its proper divisors (81072716).

162145426 is an equidigital number, since it uses as much as digits as its factorization.

162145426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81072715.

The product of its digits is 11520, while the sum is 31.

The square root of 162145426 is about 12733.6336526539. The cubic root of 162145426 is about 545.2992504084.

Adding to 162145426 its reverse (624541261), we get a palindrome (786686687).

The spelling of 162145426 in words is "one hundred sixty-two million, one hundred forty-five thousand, four hundred twenty-six".