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14157145 = 52831429
BaseRepresentation
bin110110000000…
…010101011001
3222122020221201
4312000111121
512111012040
61223234201
7231222322
oct66002531
928566851
1014157145
117a9a522
1248a8961
132c18b12
141c47449
151399a9a
hexd80559

14157145 has 4 divisors (see below), whose sum is σ = 16988580. Its totient is φ = 11325712.

The previous prime is 14157137. The next prime is 14157181. The reversal of 14157145 is 54175141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3108169 + 11048976 = 1763^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 14157145 - 23 = 14157137 is a prime.

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, 1415710 + ... + 1415719.

It is an arithmetic number, because the mean of its divisors is an integer number (4247145).

Almost surely, 214157145 is an apocalyptic number.

It is an amenable number.

14157145 is a deficient number, since it is larger than the sum of its proper divisors (2831435).

14157145 is an equidigital number, since it uses as much as digits as its factorization.

14157145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831434.

The product of its digits is 2800, while the sum is 28.

The square root of 14157145 is about 3762.5981714767. The cubic root of 14157145 is about 241.9126395052.

The spelling of 14157145 in words is "fourteen million, one hundred fifty-seven thousand, one hundred forty-five".

Divisors: 1 5 2831429 14157145