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145281014 = 2174272971
BaseRepresentation
bin10001010100011…
…00111111110110
3101010101001002022
420222030333312
5244142443024
622225513142
73412603544
oct1052147766
9333331068
10145281014
117500985a
12407a27b2
1324138cc8
141541ad94
15cb4b35e
hex8a8cff6

145281014 has 8 divisors (see below), whose sum is σ = 230740488. Its totient is φ = 68367520.

The previous prime is 145281001. The next prime is 145281043. The reversal of 145281014 is 410182541.

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

It is a super-2 number, since 2×1452810142 = 42213146057736392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 2136452 + ... + 2136519.

It is an arithmetic number, because the mean of its divisors is an integer number (28842561).

Almost surely, 2145281014 is an apocalyptic number.

145281014 is a deficient number, since it is larger than the sum of its proper divisors (85459474).

145281014 is a wasteful number, since it uses less digits than its factorization.

145281014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272990.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 145281014 is about 12053.2574020470. The cubic root of 145281014 is about 525.6979548456.

The spelling of 145281014 in words is "one hundred forty-five million, two hundred eighty-one thousand, fourteen".

Divisors: 1 2 17 34 4272971 8545942 72640507 145281014