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145523043 = 3217951131
BaseRepresentation
bin10001010110010…
…00000101100011
3101010211100002100
420223020011203
5244223214133
622235021443
73414632301
oct1053100543
9333740070
10145523043
1175164686
124089a883
13241c2213
1415481271
15cb97e13
hex8ac8163

145523043 has 12 divisors (see below), whose sum is σ = 222564888. Its totient is φ = 91308480.

The previous prime is 145523041. The next prime is 145523069. The reversal of 145523043 is 340325541.

It is not a de Polignac number, because 145523043 - 21 = 145523041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145522998 and 145523016.

It is not an unprimeable number, because it can be changed into a prime (145523041) 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, 475413 + ... + 475718.

It is an arithmetic number, because the mean of its divisors is an integer number (18547074).

Almost surely, 2145523043 is an apocalyptic number.

145523043 is a deficient number, since it is larger than the sum of its proper divisors (77041845).

145523043 is a wasteful number, since it uses less digits than its factorization.

145523043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951154 (or 951151 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145523043 is about 12063.2932070807. The cubic root of 145523043 is about 525.9897194230.

Adding to 145523043 its reverse (340325541), we get a palindrome (485848584).

The spelling of 145523043 in words is "one hundred forty-five million, five hundred twenty-three thousand, forty-three".

Divisors: 1 3 9 17 51 153 951131 2853393 8560179 16169227 48507681 145523043