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145430425 = 527831031
BaseRepresentation
bin10001010101100…
…01011110011001
3101010122122001001
420222301132121
5244212233200
622233025001
73414065260
oct1052613631
9333578031
10145430425
1175101038
1240855161
132418c00a
14154595d7
15cb7a76a
hex8ab1799

145430425 has 12 divisors (see below), whose sum is σ = 206095936. Its totient is φ = 99723600.

The previous prime is 145430419. The next prime is 145430443. The reversal of 145430425 is 524034541.

145430425 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 145430425 - 27 = 145430297 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145430393 and 145430402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415341 + ... + 415690.

Almost surely, 2145430425 is an apocalyptic number.

It is an amenable number.

145430425 is a deficient number, since it is larger than the sum of its proper divisors (60665511).

145430425 is an equidigital number, since it uses as much as digits as its factorization.

145430425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831048 (or 831043 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 145430425 is about 12059.4537604321. The cubic root of 145430425 is about 525.8781071917.

Adding to 145430425 its reverse (524034541), we get a palindrome (669464966).

The spelling of 145430425 in words is "one hundred forty-five million, four hundred thirty thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 831031 4155155 5817217 20775775 29086085 145430425