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145186736 = 2449118481
BaseRepresentation
bin10001010011101…
…01111110110000
3101010012020202112
420221311332300
5244131433421
622223504452
73412031642
oct1051657660
9333166675
10145186736
1174a54a42
1240758128
1324105116
14153d4892
15cb2d45b
hex8a75fb0

145186736 has 20 divisors (see below), whose sum is σ = 281887464. Its totient is φ = 72441600.

The previous prime is 145186711. The next prime is 145186739. The reversal of 145186736 is 637681541.

It is a junction number, because it is equal to n+sod(n) for n = 145186693 and 145186702.

It is not an unprimeable number, because it can be changed into a prime (145186739) 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, 1385 + ... + 17096.

Almost surely, 2145186736 is an apocalyptic number.

145186736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145186736 is a deficient number, since it is larger than the sum of its proper divisors (136700728).

145186736 is a wasteful number, since it uses less digits than its factorization.

145186736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18980 (or 18974 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 145186736 is about 12049.3458743618. The cubic root of 145186736 is about 525.5842155595.

The spelling of 145186736 in words is "one hundred forty-five million, one hundred eighty-six thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 491 982 1964 3928 7856 18481 36962 73924 147848 295696 9074171 18148342 36296684 72593368 145186736