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145070 = 2589163
BaseRepresentation
bin100011011010101110
321100222222
4203122232
514120240
63035342
71142642
oct433256
9240888
10145070
1199aa2
126bb52
1351053
143ac22
152ceb5
hex236ae

145070 has 16 divisors (see below), whose sum is σ = 265680. Its totient is φ = 57024.

The previous prime is 145069. The next prime is 145091. The reversal of 145070 is 70541.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

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, 809 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (16605).

2145070 is an apocalyptic number.

145070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145070 is a deficient number, since it is larger than the sum of its proper divisors (120610).

145070 is a wasteful number, since it uses less digits than its factorization.

145070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 145070 is about 380.8805587057. The cubic root of 145070 is about 52.5443314143.

Subtracting from 145070 its reverse (70541), we obtain a square (74529 = 2732).

The spelling of 145070 in words is "one hundred forty-five thousand, seventy".

Divisors: 1 2 5 10 89 163 178 326 445 815 890 1630 14507 29014 72535 145070