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145143573 = 3227213133
BaseRepresentation
bin10001010011010…
…11011100010101
3101010010001112220
420221223130111
5244124043243
622222532553
73411462051
oct1051533425
9333101486
10145143573
1174a25573
1240737159
13240bb593
14153c2c61
15cb20783
hex8a6b715

145143573 has 8 divisors (see below), whose sum is σ = 194378208. Its totient is φ = 96335664.

The previous prime is 145143571. The next prime is 145143587. The reversal of 145143573 is 375341541.

145143573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145143573 - 21 = 145143571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145143571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105886 + ... + 107247.

It is an arithmetic number, because the mean of its divisors is an integer number (24297276).

Almost surely, 2145143573 is an apocalyptic number.

It is an amenable number.

145143573 is a deficient number, since it is larger than the sum of its proper divisors (49234635).

145143573 is a wasteful number, since it uses less digits than its factorization.

145143573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213363.

The product of its digits is 25200, while the sum is 33.

The square root of 145143573 is about 12047.5546481433. The cubic root of 145143573 is about 525.5321262282.

The spelling of 145143573 in words is "one hundred forty-five million, one hundred forty-three thousand, five hundred seventy-three".

Divisors: 1 3 227 681 213133 639399 48381191 145143573