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142522255 = 528504451
BaseRepresentation
bin10000111111010…
…11011110001111
3100221011212210001
420133223132033
5242441203010
622050425131
73350263531
oct1037533617
9327155701
10142522255
11734a5097
123b8921a7
13236b13c5
1414cdd851
15c7a3c3a
hex87eb78f

142522255 has 4 divisors (see below), whose sum is σ = 171026712. Its totient is φ = 114017800.

The previous prime is 142522231. The next prime is 142522279. The reversal of 142522255 is 552225241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552225241 = 838765843.

It is an interprime number because it is at equal distance from previous prime (142522231) and next prime (142522279).

It is not a de Polignac number, because 142522255 - 211 = 142520207 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 14252221 + ... + 14252230.

It is an arithmetic number, because the mean of its divisors is an integer number (42756678).

Almost surely, 2142522255 is an apocalyptic number.

142522255 is a deficient number, since it is larger than the sum of its proper divisors (28504457).

142522255 is an equidigital number, since it uses as much as digits as its factorization.

142522255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504456.

The product of its digits is 8000, while the sum is 28.

The square root of 142522255 is about 11938.2685092940. The cubic root of 142522255 is about 522.3491532830.

Adding to 142522255 its reverse (552225241), we get a palindrome (694747496).

The spelling of 142522255 in words is "one hundred forty-two million, five hundred twenty-two thousand, two hundred fifty-five".

Divisors: 1 5 28504451 142522255