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142324142 = 2211337261
BaseRepresentation
bin10000111101110…
…11000110101110
3100220210211000112
420132323012232
5242413333032
622042300022
73345510122
oct1036730656
9326724015
10142324142
117337a264
123b7b7612
132364218c
1414c8b582
15c7651b2
hex87bb1ae

142324142 has 8 divisors (see below), whose sum is σ = 214498632. Its totient is φ = 70824600.

The previous prime is 142324139. The next prime is 142324177. The reversal of 142324142 is 241423241.

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

It is a super-2 number, since 2×1423241422 = 40512322792072328, which contains 22 as substring.

It is a congruent 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, 168209 + ... + 169052.

It is an arithmetic number, because the mean of its divisors is an integer number (26812329).

Almost surely, 2142324142 is an apocalyptic number.

142324142 is a deficient number, since it is larger than the sum of its proper divisors (72174490).

142324142 is a wasteful number, since it uses less digits than its factorization.

142324142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337474.

The product of its digits is 1536, while the sum is 23.

The square root of 142324142 is about 11929.9682313072. The cubic root of 142324142 is about 522.1070106454.

Adding to 142324142 its reverse (241423241), we get a palindrome (383747383).

Subtracting 142324142 from its reverse (241423241), we obtain a palindrome (99099099).

The spelling of 142324142 in words is "one hundred forty-two million, three hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 211 422 337261 674522 71162071 142324142