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145902575 = 52713591087
BaseRepresentation
bin10001011001001…
…00101111101111
3101011112121201002
420230210233233
5244322340300
622251110515
73421102640
oct1054445757
9334477632
10145902575
11753a3845
1240a4243b
13242c5bb0
141553d6c7
15cc205d5
hex8b24bef

145902575 has 48 divisors (see below), whose sum is σ = 226652160. Its totient is φ = 90702720.

The previous prime is 145902571. The next prime is 145902583. The reversal of 145902575 is 575209541.

It is a happy number.

It is not a de Polignac number, because 145902575 - 22 = 145902571 is a prime.

It is a super-2 number, since 2×1459025752 = 42575122783261250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145902571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133682 + ... + 134768.

It is an arithmetic number, because the mean of its divisors is an integer number (4721920).

Almost surely, 2145902575 is an apocalyptic number.

145902575 is a deficient number, since it is larger than the sum of its proper divisors (80749585).

145902575 is a wasteful number, since it uses less digits than its factorization.

145902575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 145902575 is about 12079.0138256399. The cubic root of 145902575 is about 526.4465923886.

The spelling of 145902575 in words is "one hundred forty-five million, nine hundred two thousand, five hundred seventy-five".

Divisors: 1 5 7 13 25 35 59 65 91 175 295 325 413 455 767 1087 1475 2065 2275 3835 5369 5435 7609 10325 14131 19175 26845 27175 38045 64133 70655 98917 134225 190225 320665 353275 448931 494585 833729 1603325 2244655 2472925 4168645 5836103 11223275 20843225 29180515 145902575