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142254895 = 51710715641
BaseRepresentation
bin10000111101010…
…10001100101111
3100220200022000211
420132222030233
5242404124040
622041003251
73345101206
oct1036521457
9326608024
10142254895
1173332232
123b783527
13236197c3
1414c7023d
15c74e8ea
hex87aa32f

142254895 has 16 divisors (see below), whose sum is σ = 182448288. Its totient is φ = 106101760.

The previous prime is 142254887. The next prime is 142254901. The reversal of 142254895 is 598452241.

It is a happy number.

It is not a de Polignac number, because 142254895 - 23 = 142254887 is a prime.

It is a super-2 number, since 2×1422548952 = 40472910302922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1275 + ... + 16915.

It is an arithmetic number, because the mean of its divisors is an integer number (11403018).

Almost surely, 2142254895 is an apocalyptic number.

142254895 is a deficient number, since it is larger than the sum of its proper divisors (40193393).

142254895 is a wasteful number, since it uses less digits than its factorization.

142254895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770.

The product of its digits is 115200, while the sum is 40.

The square root of 142254895 is about 11927.0656491863. The cubic root of 142254895 is about 522.0223208455.

The spelling of 142254895 in words is "one hundred forty-two million, two hundred fifty-four thousand, eight hundred ninety-five".

Divisors: 1 5 17 85 107 535 1819 9095 15641 78205 265897 1329485 1673587 8367935 28450979 142254895