162443245 has 32 divisors (see below), whose sum is σ = 211701600. Its totient is φ = 119218176.

The previous prime is 162443231. The next prime is 162443291. The reversal of 162443245 is 542344261.

It can be written as a sum of positive squares in 16 ways, for example, as 568516 + 161874729 = 754^2 + 12723^2 .

It is a cyclic number.

It is not a de Polignac number, because 162443245 - 2⁵ = 162443213 is a prime.

It is a super-2 number, since 2×162443245² = 52775615692260050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824487 + ... + 824683.

It is an arithmetic number, because the mean of its divisors is an integer number (6615675).

Almost surely, 2^162443245 is an apocalyptic number.

It is an amenable number.

162443245 is a deficient number, since it is larger than the sum of its proper divisors (49258355).

162443245 is a wasteful number, since it uses less digits than its factorization.

162443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 23040, while the sum is 31.

The square root of 162443245 is about 12745.3224753240. The cubic root of 162443245 is about 545.6329038733.

The spelling of 162443245 in words is "one hundred sixty-two million, four hundred forty-three thousand, two hundred forty-five".