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145064 = 2318133
BaseRepresentation
bin100011011010101000
321100222202
4203122220
514120224
63035332
71142633
oct433250
9240882
10145064
1199a97
126bb48
135104a
143ac1a
152ceae
hex236a8

145064 has 8 divisors (see below), whose sum is σ = 272010. Its totient is φ = 72528.

The previous prime is 145063. The next prime is 145069. The reversal of 145064 is 460541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128164 + 16900 = 358^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (145063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9059 + ... + 9074.

2145064 is an apocalyptic number.

It is an amenable number.

145064 is a deficient number, since it is larger than the sum of its proper divisors (126946).

145064 is a wasteful number, since it uses less digits than its factorization.

145064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18139 (or 18135 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145064 is about 380.8726821393. The cubic root of 145064 is about 52.5436070046.

The spelling of 145064 in words is "one hundred forty-five thousand, sixty-four".

Divisors: 1 2 4 8 18133 36266 72532 145064