162281445 has 32 divisors (see below), whose sum is σ = 278284032. Its totient is φ = 80543232.

The previous prime is 162281417. The next prime is 162281453. The reversal of 162281445 is 544182261.

It is a happy number.

It is not a de Polignac number, because 162281445 - 2⁹ = 162280933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6409 + ... + 19121.

It is an arithmetic number, because the mean of its divisors is an integer number (8696376).

Almost surely, 2^162281445 is an apocalyptic number.

162281445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162281445 is a deficient number, since it is larger than the sum of its proper divisors (116002587).

162281445 is a wasteful number, since it uses less digits than its factorization.

162281445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781.

The product of its digits is 15360, while the sum is 33.

The square root of 162281445 is about 12738.9734672775. The cubic root of 162281445 is about 545.4516862603.

The spelling of 162281445 in words is "one hundred sixty-two million, two hundred eighty-one thousand, four hundred forty-five".