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142174159 = 367138729
BaseRepresentation
bin10000111100101…
…10011111001111
3100220112012021121
420132112133033
5242344033114
622035141411
73344313631
oct1036263717
9326465247
10142174159
1173287606
123b744867
13235bbb2a
1414c4ca51
15c735a24
hex87967cf

142174159 has 4 divisors (see below), whose sum is σ = 142216560. Its totient is φ = 142131760.

The previous prime is 142174147. The next prime is 142174171. The reversal of 142174159 is 951471241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142174147) and next prime (142174171).

It is a cyclic number.

It is not a de Polignac number, because 142174159 - 27 = 142174031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142174139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15694 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (35554140).

Almost surely, 2142174159 is an apocalyptic number.

142174159 is a deficient number, since it is larger than the sum of its proper divisors (42401).

142174159 is an equidigital number, since it uses as much as digits as its factorization.

142174159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42400.

The product of its digits is 10080, while the sum is 34.

The square root of 142174159 is about 11923.6805978691. The cubic root of 142174159 is about 521.9235451704.

The spelling of 142174159 in words is "one hundred forty-two million, one hundred seventy-four thousand, one hundred fifty-nine".

Divisors: 1 3671 38729 142174159