Search a number
-
+
145061 = 7172353
BaseRepresentation
bin100011011010100101
321100222122
4203122211
514120221
63035325
71142630
oct433245
9240878
10145061
1199a94
126bb45
1351047
143ac17
152ceab
hex236a5

145061 has 16 divisors (see below), whose sum is σ = 186624. Its totient is φ = 109824.

The previous prime is 145043. The next prime is 145063. The reversal of 145061 is 160541.

It is a happy number.

145061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145061 - 210 = 144037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145061.

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 in 15 ways as a sum of consecutive naturals, for example, 2711 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (11664).

2145061 is an apocalyptic number.

It is an amenable number.

145061 is a deficient number, since it is larger than the sum of its proper divisors (41563).

145061 is a wasteful number, since it uses less digits than its factorization.

145061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 145061 is about 380.8687437950. The cubic root of 145061 is about 52.5432447923.

The spelling of 145061 in words is "one hundred forty-five thousand, sixty-one".

Divisors: 1 7 17 23 53 119 161 371 391 901 1219 2737 6307 8533 20723 145061