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145094879 = 236439811
BaseRepresentation
bin10001010010111…
…11100011011111
3101010000120202102
420221133203133
5244121014004
622221515315
73411200066
oct1051374337
9333016672
10145094879
11749a1a26
1240712b3b
13240a2377
14153ad1dd
15cb1111e
hex8a5f8df

145094879 has 8 divisors (see below), whose sum is σ = 151654272. Its totient is φ = 138556440.

The previous prime is 145094861. The next prime is 145094893. The reversal of 145094879 is 978490541.

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 145094879 - 28 = 145094623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145094809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9884 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (18956784).

Almost surely, 2145094879 is an apocalyptic number.

145094879 is a deficient number, since it is larger than the sum of its proper divisors (6559393).

145094879 is an equidigital number, since it uses as much as digits as its factorization.

145094879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 145094879 is about 12045.5335705813. The cubic root of 145094879 is about 525.4733496594.

The spelling of 145094879 in words is "one hundred forty-five million, ninety-four thousand, eight hundred seventy-nine".

Divisors: 1 23 643 9811 14789 225653 6308473 145094879