162231481 has 8 divisors (see below), whose sum is σ = 176659200. Its totient is φ = 148392720.

The previous prime is 162231469. The next prime is 162231491. The reversal of 162231481 is 184132261.

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 162231481 - 2⁵ = 162231449 is a prime.

It is a super-2 number, since 2×162231481² = 52638106854906722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162231431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146665 + ... + 147766.

It is an arithmetic number, because the mean of its divisors is an integer number (22082400).

Almost surely, 2^162231481 is an apocalyptic number.

It is an amenable number.

162231481 is a deficient number, since it is larger than the sum of its proper divisors (14427719).

162231481 is a wasteful number, since it uses less digits than its factorization.

162231481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294479.

The product of its digits is 2304, while the sum is 28.

The square root of 162231481 is about 12737.0122477762. The cubic root of 162231481 is about 545.3957017422.

The spelling of 162231481 in words is "one hundred sixty-two million, two hundred thirty-one thousand, four hundred eighty-one".