162897445 has 4 divisors (see below), whose sum is σ = 195476940. Its totient is φ = 130317952.

The previous prime is 162897433. The next prime is 162897457. The reversal of 162897445 is 544798261.

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

It is an interprime number because it is at equal distance from previous prime (162897433) and next prime (162897457).

It can be written as a sum of positive squares in 2 ways, for example, as 120099681 + 42797764 = 10959^2 + 6542^2 .

It is a cyclic number.

It is not a de Polignac number, because 162897445 - 2¹⁵ = 162864677 is a prime.

It is a super-3 number, since 3×162897445³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162897395 and 162897404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16289740 + ... + 16289749.

It is an arithmetic number, because the mean of its divisors is an integer number (48869235).

Almost surely, 2^162897445 is an apocalyptic number.

It is an amenable number.

162897445 is a deficient number, since it is larger than the sum of its proper divisors (32579495).

162897445 is an equidigital number, since it uses as much as digits as its factorization.

162897445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32579494.

The product of its digits is 483840, while the sum is 46.

The square root of 162897445 is about 12763.1283390868. The cubic root of 162897445 is about 546.1409702329.

The spelling of 162897445 in words is "one hundred sixty-two million, eight hundred ninety-seven thousand, four hundred forty-five".