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145542235 = 543167537
BaseRepresentation
bin10001010110011…
…00110001011011
3101010212022102011
420223030301123
5244224322420
622235250351
73415042246
oct1053146133
9333768364
10145542235
1175178043
12408a99b7
13241cab87
141548825d
15cb9d95a
hex8accc5b

145542235 has 8 divisors (see below), whose sum is σ = 175058496. Its totient is φ = 116161920.

The previous prime is 145542233. The next prime is 145542263. The reversal of 145542235 is 532245541.

145542235 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 145542235 - 21 = 145542233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145542197 and 145542206.

It is not an unprimeable number, because it can be changed into a prime (145542233) 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, 31614 + ... + 35923.

It is an arithmetic number, because the mean of its divisors is an integer number (21882312).

Almost surely, 2145542235 is an apocalyptic number.

145542235 is a deficient number, since it is larger than the sum of its proper divisors (29516261).

145542235 is an equidigital number, since it uses as much as digits as its factorization.

145542235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67973.

The product of its digits is 24000, while the sum is 31.

The square root of 145542235 is about 12064.0886518626. The cubic root of 145542235 is about 526.0128414220.

Adding to 145542235 its reverse (532245541), we get a palindrome (677787776).

The spelling of 145542235 in words is "one hundred forty-five million, five hundred forty-two thousand, two hundred thirty-five".

Divisors: 1 5 431 2155 67537 337685 29108447 145542235