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142453105 = 569141231
BaseRepresentation
bin10000111110110…
…10100101110001
3100221001100220221
420133122211301
5242431444410
622045133041
73346555114
oct1037324561
9327040827
10142453105
1173458143
123b85a181
1323688aa2
1414cc257b
15c78d4da
hex87da971

142453105 has 8 divisors (see below), whose sum is σ = 171195264. Its totient is φ = 113794800.

The previous prime is 142453093. The next prime is 142453139. The reversal of 142453105 is 501354241.

It is a happy number.

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

It is not a de Polignac number, because 142453105 - 27 = 142452977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142453105.

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, 17161 + ... + 24070.

It is an arithmetic number, because the mean of its divisors is an integer number (21399408).

Almost surely, 2142453105 is an apocalyptic number.

It is an amenable number.

142453105 is a deficient number, since it is larger than the sum of its proper divisors (28742159).

142453105 is an equidigital number, since it uses as much as digits as its factorization.

142453105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41927.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142453105 is about 11935.3720092840. The cubic root of 142453105 is about 522.2646605436.

The spelling of 142453105 in words is "one hundred forty-two million, four hundred fifty-three thousand, one hundred five".

Divisors: 1 5 691 3455 41231 206155 28490621 142453105