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142555555 = 552735407
BaseRepresentation
bin10000111111100…
…11100110100011
3100221020120110101
420133303212203
5242443234210
622051243231
73350462602
oct1037634643
9327216411
10142555555
117351810a
123b8a9517
13236c35cc
1414d0ba39
15c7ada3a
hex87f39a3

142555555 has 8 divisors (see below), whose sum is σ = 171130752. Its totient is φ = 114001728.

The previous prime is 142555547. The next prime is 142555573. The reversal of 142555555 is 555555241.

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

It is a cyclic number.

It is not a de Polignac number, because 142555555 - 23 = 142555547 is a prime.

It is a super-2 number, since 2×1425555552 = 40644172522716050, which contains 22 as substring.

It is a Duffinian number.

142555555 is a modest number, since divided by 55555 gives 1425 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23662 + ... + 29068.

It is an arithmetic number, because the mean of its divisors is an integer number (21391344).

Almost surely, 2142555555 is an apocalyptic number.

142555555 is a deficient number, since it is larger than the sum of its proper divisors (28575197).

142555555 is an equidigital number, since it uses as much as digits as its factorization.

142555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685.

The product of its digits is 125000, while the sum is 37.

The square root of 142555555 is about 11939.6631024498. The cubic root of 142555555 is about 522.3898320113.

The spelling of 142555555 in words is "one hundred forty-two million, five hundred fifty-five thousand, five hundred fifty-five".

Divisors: 1 5 5273 5407 26365 27035 28511111 142555555