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142205455 = 574063013
BaseRepresentation
bin10000111100111…
…10001000001111
3100220120210012201
420132132020033
5242401033310
622035542331
73344504110
oct1036361017
9326523181
10142205455
11732a9077
123b75a9a7
1323600152
1414c5a207
15c73ee3a
hex879e20f

142205455 has 8 divisors (see below), whose sum is σ = 195024672. Its totient is φ = 97512288.

The previous prime is 142205431. The next prime is 142205471. The reversal of 142205455 is 554502241.

142205455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142205455 - 211 = 142203407 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 7 ways as a sum of consecutive naturals, for example, 2031472 + ... + 2031541.

It is an arithmetic number, because the mean of its divisors is an integer number (24378084).

Almost surely, 2142205455 is an apocalyptic number.

142205455 is a deficient number, since it is larger than the sum of its proper divisors (52819217).

142205455 is an equidigital number, since it uses as much as digits as its factorization.

142205455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063025.

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

The square root of 142205455 is about 11924.9928721153. The cubic root of 142205455 is about 521.9618383948.

Adding to 142205455 its reverse (554502241), we get a palindrome (696707696).

The spelling of 142205455 in words is "one hundred forty-two million, two hundred five thousand, four hundred fifty-five".

Divisors: 1 5 7 35 4063013 20315065 28441091 142205455