Search a number
-
+
142425441 = 3215825049
BaseRepresentation
bin10000111110100…
…11110101100001
3100220222221222100
420133103311201
5242430103231
622044401013
73346411344
oct1037236541
9326887870
10142425441
1173439384
123b846169
1323679312
1414cb645b
15c7851e6
hex87d3d61

142425441 has 6 divisors (see below), whose sum is σ = 205725650. Its totient is φ = 94950288.

The previous prime is 142425403. The next prime is 142425443. The reversal of 142425441 is 144524241.

It can be written as a sum of positive squares in only one way, i.e., 86490000 + 55935441 = 9300^2 + 7479^2 .

It is not a de Polignac number, because 142425441 - 210 = 142424417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142425443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7912516 + ... + 7912533.

Almost surely, 2142425441 is an apocalyptic number.

It is an amenable number.

142425441 is a deficient number, since it is larger than the sum of its proper divisors (63300209).

142425441 is a wasteful number, since it uses less digits than its factorization.

142425441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825055 (or 15825052 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 142425441 is about 11934.2130448555. The cubic root of 142425441 is about 522.2308509028.

Adding to 142425441 its reverse (144524241), we get a palindrome (286949682).

It can be divided in two parts, 14242 and 5441, that added together give a 9-th power (19683 = 39).

The spelling of 142425441 in words is "one hundred forty-two million, four hundred twenty-five thousand, four hundred forty-one".

Divisors: 1 3 9 15825049 47475147 142425441