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142045467 = 347348489
BaseRepresentation
bin10000111011101…
…11000100011011
3100220021122202020
420131313010123
5242330423332
622032305523
73343236504
oct1035670433
9326248666
10142045467
11731a9953
123b6a22a3
1323575395
1414c17bab
15c70c82c
hex877711b

142045467 has 4 divisors (see below), whose sum is σ = 189393960. Its totient is φ = 94696976.

The previous prime is 142045457. The next prime is 142045483. The reversal of 142045467 is 764540241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764540241 = 3254846747.

It is a cyclic number.

It is not a de Polignac number, because 142045467 - 26 = 142045403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142045457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23674242 + ... + 23674247.

It is an arithmetic number, because the mean of its divisors is an integer number (47348490).

Almost surely, 2142045467 is an apocalyptic number.

142045467 is a deficient number, since it is larger than the sum of its proper divisors (47348493).

142045467 is an equidigital number, since it uses as much as digits as its factorization.

142045467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47348492.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 142045467 is about 11918.2828880674. The cubic root of 142045467 is about 521.7660208553.

The spelling of 142045467 in words is "one hundred forty-two million, forty-five thousand, four hundred sixty-seven".

Divisors: 1 3 47348489 142045467