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145685914 = 21124592693
BaseRepresentation
bin10001010111011…
…11110110011010
3101011010121111121
420223233312122
5244243422124
622242315454
73416211163
oct1053576632
9334117447
10145685914
1175265a90
1240958b8a
132424b3aa
14154c476a
15cbcb2e4
hex8aefd9a

145685914 has 16 divisors (see below), whose sum is σ = 238580640. Its totient is φ = 66169360.

The previous prime is 145685867. The next prime is 145685941. The reversal of 145685914 is 419586541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52752 + ... + 55444.

It is an arithmetic number, because the mean of its divisors is an integer number (14911290).

Almost surely, 2145685914 is an apocalyptic number.

145685914 is a deficient number, since it is larger than the sum of its proper divisors (92894726).

145685914 is a wasteful number, since it uses less digits than its factorization.

145685914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165.

The product of its digits is 172800, while the sum is 43.

The square root of 145685914 is about 12070.0420048979. The cubic root of 145685914 is about 526.1858774319.

The spelling of 145685914 in words is "one hundred forty-five million, six hundred eighty-five thousand, nine hundred fourteen".

Divisors: 1 2 11 22 2459 2693 4918 5386 27049 29623 54098 59246 6622087 13244174 72842957 145685914