162703445 has 8 divisors (see below), whose sum is σ = 195354936. Its totient is φ = 130088896.

The previous prime is 162703417. The next prime is 162703459. The reversal of 162703445 is 544307261.

It can be written as a sum of positive squares in 4 ways, for example, as 3161284 + 159542161 = 1778^2 + 12631^2 .

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 162703445 - 2¹² = 162699349 is a prime.

It is a super-2 number, since 2×162703445² = 52944822029736050, which contains 22 as substring.

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, 1619 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (24419367).

Almost surely, 2^162703445 is an apocalyptic number.

It is an amenable number.

162703445 is a deficient number, since it is larger than the sum of its proper divisors (32651491).

162703445 is a wasteful number, since it uses less digits than its factorization.

162703445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 162703445 is about 12755.5260573604. The cubic root of 162703445 is about 545.9240782769.

The spelling of 162703445 in words is "one hundred sixty-two million, seven hundred three thousand, four hundred forty-five".