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142244160 = 2635148171
BaseRepresentation
bin10000111101001…
…11100101000000
3100220122202022020
420132213211000
5242403303120
622040441440
73345025002
oct1036474500
9326582266
10142244160
1173325163
123b779280
1323614956
1414c6a372
15c74b640
hex87a7940

142244160 has 56 divisors (see below), whose sum is σ = 451628256. Its totient is φ = 37931520.

The previous prime is 142244143. The next prime is 142244171. The reversal of 142244160 is 61442241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 142244160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73126 + ... + 75045.

Almost surely, 2142244160 is an apocalyptic number.

142244160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142244160 is an abundant number, since it is smaller than the sum of its proper divisors (309384096).

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

142244160 is a wasteful number, since it uses less digits than its factorization.

142244160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148191 (or 148181 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142244160 is about 11926.6156138278. The cubic root of 142244160 is about 522.0091893686.

The spelling of 142244160 in words is "one hundred forty-two million, two hundred forty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 148171 296342 444513 592684 740855 889026 1185368 1481710 1778052 2222565 2370736 2963420 3556104 4445130 4741472 5926840 7112208 8890260 9482944 11853680 14224416 17780520 23707360 28448832 35561040 47414720 71122080 142244160