Search a number
-
+
142547033 = 197723589
BaseRepresentation
bin10000111111100…
…01100001011001
3100221020010202202
420133301201121
5242443001113
622051135545
73350426006
oct1037614131
9327203682
10142547033
1173511772
123b8a45b5
13236bc775
1414d088ad
15c7ab258
hex87f1859

142547033 has 4 divisors (see below), whose sum is σ = 143270820. Its totient is φ = 141823248.

The previous prime is 142547011. The next prime is 142547059. The reversal of 142547033 is 330745241.

It is a happy number.

142547033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140825689 + 1721344 = 11867^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 142547033 - 28 = 142546777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142546987 and 142547005.

It is not an unprimeable number, because it can be changed into a prime (142547333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361598 + ... + 361991.

It is an arithmetic number, because the mean of its divisors is an integer number (35817705).

Almost surely, 2142547033 is an apocalyptic number.

It is an amenable number.

142547033 is a deficient number, since it is larger than the sum of its proper divisors (723787).

142547033 is an equidigital number, since it uses as much as digits as its factorization.

142547033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723786.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 142547033 is about 11939.3062193747. The cubic root of 142547033 is about 522.3794222805.

The spelling of 142547033 in words is "one hundred forty-two million, five hundred forty-seven thousand, thirty-three".

Divisors: 1 197 723589 142547033