Search a number
-
+
145024529 = 137122213
BaseRepresentation
bin10001010010011…
…10011000010001
3101002220000020212
420221032120101
5244111241104
622220213505
73410455016
oct1051163021
9332800225
10145024529
1174954091
124069a295
1324079340
141539170d
15caea36e
hex8a4e611

145024529 has 12 divisors (see below), whose sum is σ = 158482548. Its totient is φ = 131923680.

The previous prime is 145024513. The next prime is 145024543. The reversal of 145024529 is 925420541.

145024529 = T4717 + T4718 + ... + T4729.

It can be written as a sum of positive squares in 2 ways, for example, as 94614529 + 50410000 = 9727^2 + 7100^2 .

It is not a de Polignac number, because 145024529 - 24 = 145024513 is a prime.

It is a super-2 number, since 2×1450245292 = 42064228023343682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145024495 and 145024504.

It is not an unprimeable number, because it can be changed into a prime (145024129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64427 + ... + 66639.

It is an arithmetic number, because the mean of its divisors is an integer number (13206879).

Almost surely, 2145024529 is an apocalyptic number.

It is an amenable number.

145024529 is a deficient number, since it is larger than the sum of its proper divisors (13458019).

145024529 is an equidigital number, since it uses as much as digits as its factorization.

145024529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 145024529 is about 12042.6130470094. The cubic root of 145024529 is about 525.3884097760.

The spelling of 145024529 in words is "one hundred forty-five million, twenty-four thousand, five hundred twenty-nine".

Divisors: 1 13 71 923 2213 5041 28769 65533 157123 2042599 11155733 145024529