142533161 has 8 divisors (see below), whose sum is σ = 144600960. Its totient is φ = 140473872.

The previous prime is 142533121. The next prime is 142533163. The reversal of 142533161 is 161335241.

142533161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142533161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142533161.

It is not an unprimeable number, because it can be changed into a prime (142533163) 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, 36575 + ... + 40283.

It is an arithmetic number, because the mean of its divisors is an integer number (18075120).

Almost surely, 2^142533161 is an apocalyptic number.

It is an amenable number.

142533161 is a deficient number, since it is larger than the sum of its proper divisors (2067799).

142533161 is an equidigital number, since it uses as much as digits as its factorization.

142533161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its digits is 2160, while the sum is 26.

The square root of 142533161 is about 11938.7252669621. The cubic root of 142533161 is about 522.3624765696.

The spelling of 142533161 in words is "one hundred forty-two million, five hundred thirty-three thousand, one hundred sixty-one".