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142040158 = 21350310861
BaseRepresentation
bin10000111011101…
…01110001011110
3100220021101110121
420131311301132
5242330241113
622032225154
73343215151
oct1035656136
9326241417
10142040158
11731a5967
123b69b1ba
1323572b40
1414c15c98
15c70ae8d
hex8775c5e

142040158 has 16 divisors (see below), whose sum is σ = 229926816. Its totient is φ = 65420640.

The previous prime is 142040153. The next prime is 142040179. The reversal of 142040158 is 851040241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142040153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7648 + ... + 18508.

It is an arithmetic number, because the mean of its divisors is an integer number (14370426).

Almost surely, 2142040158 is an apocalyptic number.

142040158 is a deficient number, since it is larger than the sum of its proper divisors (87886658).

142040158 is a wasteful number, since it uses less digits than its factorization.

142040158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 142040158 is about 11918.0601609490. The cubic root of 142040158 is about 521.7595203773.

Adding to 142040158 its reverse (851040241), we get a palindrome (993080399).

The spelling of 142040158 in words is "one hundred forty-two million, forty thousand, one hundred fifty-eight".

Divisors: 1 2 13 26 503 1006 6539 10861 13078 21722 141193 282386 5463083 10926166 71020079 142040158