162745825 has 24 divisors (see below), whose sum is σ = 227753280. Its totient is φ = 114273600.

The previous prime is 162745813. The next prime is 162745853. The reversal of 162745825 is 528547261.

It is not a de Polignac number, because 162745825 - 2⁹ = 162745313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2229 + ... + 18178.

It is an arithmetic number, because the mean of its divisors is an integer number (9489720).

Almost surely, 2^162745825 is an apocalyptic number.

It is an amenable number.

162745825 is a deficient number, since it is larger than the sum of its proper divisors (65007455).

162745825 is a wasteful number, since it uses less digits than its factorization.

162745825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457 (or 20452 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 162745825 is about 12757.1871899726. The cubic root of 162745825 is about 545.9714738190.

The spelling of 162745825 in words is "one hundred sixty-two million, seven hundred forty-five thousand, eight hundred twenty-five".