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145077170 = 2572072531
BaseRepresentation
bin10001010010110…
…11001110110010
3101002222200110112
420221123032302
5244114432140
622221301322
73411064340
oct1051331662
9332880415
10145077170
117498a697
1240704842
13240972a4
14153a6990
15cb0ac65
hex8a5b3b2

145077170 has 16 divisors (see below), whose sum is σ = 298444608. Its totient is φ = 49740720.

The previous prime is 145077143. The next prime is 145077181. The reversal of 145077170 is 71770541.

It is a happy number.

145077170 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036196 + ... + 1036335.

It is an arithmetic number, because the mean of its divisors is an integer number (18652788).

Almost surely, 2145077170 is an apocalyptic number.

145077170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145077170 is an abundant number, since it is smaller than the sum of its proper divisors (153367438).

145077170 is a wasteful number, since it uses less digits than its factorization.

145077170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072545.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 145077170 is about 12044.7984624069. The cubic root of 145077170 is about 525.4519705769.

The spelling of 145077170 in words is "one hundred forty-five million, seventy-seven thousand, one hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 2072531 4145062 10362655 14507717 20725310 29015434 72538585 145077170