Search a number
-
+
145003229 = 7711971481
BaseRepresentation
bin10001010010010…
…01001011011101
3101002211221000222
420221021023131
5244110100404
622215531125
73410335640
oct1051111335
9332757028
10145003229
117493a088
1240689aa5
132406c737
1415387a57
15cae3dbe
hex8a492dd

145003229 has 16 divisors (see below), whose sum is σ = 169019136. Its totient is φ = 121833600.

The previous prime is 145003207. The next prime is 145003249. The reversal of 145003229 is 922300541.

It is not a de Polignac number, because 145003229 - 220 = 143954653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145003198 and 145003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145003249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97169 + ... + 98649.

It is an arithmetic number, because the mean of its divisors is an integer number (10563696).

Almost surely, 2145003229 is an apocalyptic number.

It is an amenable number.

145003229 is a deficient number, since it is larger than the sum of its proper divisors (24015907).

145003229 is a wasteful number, since it uses less digits than its factorization.

145003229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 145003229 is about 12041.7286549731. The cubic root of 145003229 is about 525.3626869526.

The spelling of 145003229 in words is "one hundred forty-five million, three thousand, two hundred twenty-nine".

Divisors: 1 7 71 197 497 1379 1481 10367 13987 97909 105151 291757 736057 2042299 20714747 145003229