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145524243 = 32313915173
BaseRepresentation
bin10001010110010…
…00011000010011
3101010211101201210
420223020120103
5244223233433
622235031203
73414635634
oct1053103023
9333741653
10145524243
1175165577
124089b503
13241c2927
141548188b
15cb98463
hex8ac8613

145524243 has 16 divisors (see below), whose sum is σ = 203938560. Its totient is φ = 92124384.

The previous prime is 145524229. The next prime is 145524257. The reversal of 145524243 is 342425541.

It is an interprime number because it is at equal distance from previous prime (145524229) and next prime (145524257).

It is not a de Polignac number, because 145524243 - 26 = 145524179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145524243.

It is not an unprimeable number, because it can be changed into a prime (145524263) 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 15 ways as a sum of consecutive naturals, for example, 2005 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (12746160).

Almost surely, 2145524243 is an apocalyptic number.

145524243 is a deficient number, since it is larger than the sum of its proper divisors (58414317).

145524243 is a wasteful number, since it uses less digits than its factorization.

145524243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338.

The product of its digits is 19200, while the sum is 30.

The square root of 145524243 is about 12063.3429446402. The cubic root of 145524243 is about 525.9911652099.

Adding to 145524243 its reverse (342425541), we get a palindrome (487949784).

The spelling of 145524243 in words is "one hundred forty-five million, five hundred twenty-four thousand, two hundred forty-three".

Divisors: 1 3 23 69 139 417 3197 9591 15173 45519 348979 1046937 2109047 6327141 48508081 145524243