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142441132 = 22239148997
BaseRepresentation
bin10000111110101…
…11101010101100
3100221000202111111
420133113222230
5242431104012
622045001404
73346505161
oct1037275254
9327022444
10142441132
117344a149
123b853264
13236834c2
1414cbc068
15c789ba7
hex87d7aac

142441132 has 12 divisors (see below), whose sum is σ = 250316640. Its totient is φ = 70922096.

The previous prime is 142441109. The next prime is 142441171. The reversal of 142441132 is 231144241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73543 + ... + 75454.

It is an arithmetic number, because the mean of its divisors is an integer number (20859720).

Almost surely, 2142441132 is an apocalyptic number.

It is an amenable number.

142441132 is a deficient number, since it is larger than the sum of its proper divisors (107875508).

142441132 is a wasteful number, since it uses less digits than its factorization.

142441132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149240 (or 149238 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 142441132 is about 11934.8704224219. The cubic root of 142441132 is about 522.2500282429.

Adding to 142441132 its reverse (231144241), we get a palindrome (373585373).

It can be divided in two parts, 14244 and 1132, that added together give a square (15376 = 1242).

The spelling of 142441132 in words is "one hundred forty-two million, four hundred forty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 239 478 956 148997 297994 595988 35610283 71220566 142441132