162242645 has 8 divisors (see below), whose sum is σ = 206143704. Its totient is φ = 122159104.

The previous prime is 162242599. The next prime is 162242657. The reversal of 162242645 is 546242261.

It can be written as a sum of positive squares in 4 ways, for example, as 26030404 + 136212241 = 5102^2 + 11671^2 .

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 162242645 - 2²⁴ = 145465429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954284 + ... + 954453.

It is an arithmetic number, because the mean of its divisors is an integer number (25767963).

Almost surely, 2^162242645 is an apocalyptic number.

It is an amenable number.

162242645 is a deficient number, since it is larger than the sum of its proper divisors (43901059).

162242645 is a wasteful number, since it uses less digits than its factorization.

162242645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908759.

The product of its digits is 23040, while the sum is 32.

The square root of 162242645 is about 12737.4504905809. The cubic root of 162242645 is about 545.4082119692.

The spelling of 162242645 in words is "one hundred sixty-two million, two hundred forty-two thousand, six hundred forty-five".