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145374275 = 527181901
BaseRepresentation
bin10001010101000…
…11110001000011
3101010112210000102
420222203301003
5244203434100
622231513015
73413442464
oct1052436103
9333483012
10145374275
1175072932
124082876b
132416c5a7
1415442d6b
15cb68cd5
hex8aa3c43

145374275 has 12 divisors (see below), whose sum is σ = 182805264. Its totient is φ = 114660000.

The previous prime is 145374227. The next prime is 145374277. The reversal of 145374275 is 572473541.

It is not a de Polignac number, because 145374275 - 210 = 145373251 is a prime.

It is a super-2 number, since 2×1453742752 = 42267359663551250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145374277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39176 + ... + 42725.

It is an arithmetic number, because the mean of its divisors is an integer number (15233772).

Almost surely, 2145374275 is an apocalyptic number.

145374275 is a deficient number, since it is larger than the sum of its proper divisors (37430989).

145374275 is an equidigital number, since it uses as much as digits as its factorization.

145374275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81982 (or 81977 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 145374275 is about 12057.1254866158. The cubic root of 145374275 is about 525.8104187953.

The spelling of 145374275 in words is "one hundred forty-five million, three hundred seventy-four thousand, two hundred seventy-five".

Divisors: 1 5 25 71 355 1775 81901 409505 2047525 5814971 29074855 145374275