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142010155 = 578115003
BaseRepresentation
bin10000111011011…
…10011100101011
3100220012212022101
420131232130223
5242323311110
622031434231
73343031530
oct1035563453
9326185271
10142010155
1173185371
123b685977
13235622a1
1414c08d87
15c70213a
hex876e72b

142010155 has 16 divisors (see below), whose sum is σ = 195035904. Its totient is φ = 97238880.

The previous prime is 142010137. The next prime is 142010177. The reversal of 142010155 is 551010241.

It is not a de Polignac number, because 142010155 - 29 = 142009643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25884 + ... + 30886.

It is an arithmetic number, because the mean of its divisors is an integer number (12189744).

Almost surely, 2142010155 is an apocalyptic number.

142010155 is a deficient number, since it is larger than the sum of its proper divisors (53025749).

142010155 is an equidigital number, since it uses as much as digits as its factorization.

142010155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 142010155 is about 11916.8013745300. The cubic root of 142010155 is about 521.7227808771.

Adding to 142010155 its reverse (551010241), we get a palindrome (693020396).

The spelling of 142010155 in words is "one hundred forty-two million, ten thousand, one hundred fifty-five".

Divisors: 1 5 7 35 811 4055 5003 5677 25015 28385 35021 175105 4057433 20287165 28402031 142010155