161143524 has 36 divisors (see below), whose sum is σ = 407818320. Its totient is φ = 53650800.

The previous prime is 161143523. The next prime is 161143553. The reversal of 161143524 is 425341161.

It is a happy number.

161143524 is a `hidden beast` number, since 1 + 611 + 43 + 5 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (161143523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35707 + ... + 39965.

Almost surely, 2^161143524 is an apocalyptic number.

It is an amenable number.

161143524 is an abundant number, since it is smaller than the sum of its proper divisors (246674796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161143524 is a wasteful number, since it uses less digits than its factorization.

161143524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320 (or 5315 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 161143524 is about 12694.2319184738. The cubic root of 161143524 is about 544.1737883692.

Adding to 161143524 its reverse (425341161), we get a palindrome (586484685).

The spelling of 161143524 in words is "one hundred sixty-one million, one hundred forty-three thousand, five hundred twenty-four".