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145418195 = 5132419283
BaseRepresentation
bin10001010101011…
…10011111010011
3101010122000021002
420222232133103
5244211340240
622232452215
73414014516
oct1052563723
9333560232
10145418195
11750a292a
124084a06b
1324186590
1415454d7d
15cb76d15
hex8aae7d3

145418195 has 16 divisors (see below), whose sum is σ = 188725152. Its totient is φ = 106928640.

The previous prime is 145418159. The next prime is 145418197. The reversal of 145418195 is 591814541.

It is a happy number.

It is not a de Polignac number, because 145418195 - 218 = 145156051 is a prime.

It is a super-2 number, since 2×1454181952 = 42292902874116050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145418197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11024 + ... + 20306.

It is an arithmetic number, because the mean of its divisors is an integer number (11795322).

Almost surely, 2145418195 is an apocalyptic number.

145418195 is a deficient number, since it is larger than the sum of its proper divisors (43306957).

145418195 is a wasteful number, since it uses less digits than its factorization.

145418195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

The product of its digits is 28800, while the sum is 38.

The square root of 145418195 is about 12058.9466787112. The cubic root of 145418195 is about 525.8633655044.

The spelling of 145418195 in words is "one hundred forty-five million, four hundred eighteen thousand, one hundred ninety-five".

Divisors: 1 5 13 65 241 1205 3133 9283 15665 46415 120679 603395 2237203 11186015 29083639 145418195