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145032575 = 525801303
BaseRepresentation
bin10001010010100…
…00010101111111
3101002220102021212
420221100111333
5244112020300
622220315035
73410520332
oct1051202577
9332812255
10145032575
117495a136
12406a2a7b
132407cbbc
1415394619
15caec935
hex8a5057f

145032575 has 6 divisors (see below), whose sum is σ = 179840424. Its totient is φ = 116026040.

The previous prime is 145032571. The next prime is 145032581. The reversal of 145032575 is 575230541.

145032575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145032575 - 22 = 145032571 is a prime.

It is a super-2 number, since 2×1450325752 = 42068895622261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145032571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2900627 + ... + 2900676.

It is an arithmetic number, because the mean of its divisors is an integer number (29973404).

Almost surely, 2145032575 is an apocalyptic number.

145032575 is a deficient number, since it is larger than the sum of its proper divisors (34807849).

145032575 is an equidigital number, since it uses as much as digits as its factorization.

145032575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801313 (or 5801308 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 145032575 is about 12042.9471060866. The cubic root of 145032575 is about 525.3981258265.

The spelling of 145032575 in words is "one hundred forty-five million, thirty-two thousand, five hundred seventy-five".

Divisors: 1 5 25 5801303 29006515 145032575