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145243235 = 530794621
BaseRepresentation
bin10001010100000…
…11110001100011
3101010022010021002
420222003301203
5244140240420
622225022215
73412355444
oct1052036143
9333263232
10145243235
1174a93435
124078496b
1324124a57
141540b2cb
15cb40075
hex8a83c63

145243235 has 8 divisors (see below), whose sum is σ = 174861456. Its totient is φ = 115814880.

The previous prime is 145243199. The next prime is 145243247. The reversal of 145243235 is 532342541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145243235 - 212 = 145239139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145243198 and 145243207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45776 + ... + 48845.

It is an arithmetic number, because the mean of its divisors is an integer number (21857682).

Almost surely, 2145243235 is an apocalyptic number.

145243235 is a deficient number, since it is larger than the sum of its proper divisors (29618221).

145243235 is an equidigital number, since it uses as much as digits as its factorization.

145243235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94933.

The product of its digits is 14400, while the sum is 29.

The square root of 145243235 is about 12051.6901304340. The cubic root of 145243235 is about 525.6523832456.

Adding to 145243235 its reverse (532342541), we get a palindrome (677585776).

The spelling of 145243235 in words is "one hundred forty-five million, two hundred forty-three thousand, two hundred thirty-five".

Divisors: 1 5 307 1535 94621 473105 29048647 145243235