162427745 has 4 divisors (see below), whose sum is σ = 194913300. Its totient is φ = 129942192.

The previous prime is 162427739. The next prime is 162427747. The reversal of 162427745 is 547724261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 118178641 = 6652^2 + 10871^2 .

It is a cyclic number.

It is not a de Polignac number, because 162427745 - 2¹² = 162423649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162427699 and 162427708.

It is not an unprimeable number, because it can be changed into a prime (162427747) 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, 16242770 + ... + 16242779.

It is an arithmetic number, because the mean of its divisors is an integer number (48728325).

Almost surely, 2^162427745 is an apocalyptic number.

It is an amenable number.

162427745 is a deficient number, since it is larger than the sum of its proper divisors (32485555).

162427745 is an equidigital number, since it uses as much as digits as its factorization.

162427745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32485554.

The product of its digits is 94080, while the sum is 38.

The square root of 162427745 is about 12744.7143946030. The cubic root of 162427745 is about 545.6155489319.

The spelling of 162427745 in words is "one hundred sixty-two million, four hundred twenty-seven thousand, seven hundred forty-five".