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145014658 = 2174265137
BaseRepresentation
bin10001010010010…
…11111110000010
3101002212111201021
420221023332002
5244110432113
622220100054
73410414155
oct1051137602
9332774637
10145014658
1174947728
124069462a
13240749b9
141538bc9c
15cae748d
hex8a4bf82

145014658 has 8 divisors (see below), whose sum is σ = 230317452. Its totient is φ = 68242176.

The previous prime is 145014601. The next prime is 145014671. The reversal of 145014658 is 856410541.

It can be written as a sum of positive squares in 2 ways, for example, as 110944089 + 34070569 = 10533^2 + 5837^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 4265137 = 145014658 / (1 + 4 + 5 + 0 + 1 + 4 + 6 + 5 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132535 + ... + 2132602.

Almost surely, 2145014658 is an apocalyptic number.

145014658 is a deficient number, since it is larger than the sum of its proper divisors (85302794).

145014658 is a wasteful number, since it uses less digits than its factorization.

145014658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265156.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 145014658 is about 12042.2032037331. The cubic root of 145014658 is about 525.3764894323.

The spelling of 145014658 in words is "one hundred forty-five million, fourteen thousand, six hundred fifty-eight".

Divisors: 1 2 17 34 4265137 8530274 72507329 145014658