Search a number
-
+
145426529 is a prime number
BaseRepresentation
bin10001010101100…
…00100001100001
3101010122102200202
420222300201201
5244212122104
622232554545
73414051023
oct1052604141
9333572622
10145426529
11750a9116
1240852a55
132418a301
1415458013
15cb7951e
hex8ab0861

145426529 has 2 divisors, whose sum is σ = 145426530. Its totient is φ = 145426528.

The previous prime is 145426499. The next prime is 145426553. The reversal of 145426529 is 925624541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138109504 + 7317025 = 11752^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 145426529 - 28 = 145426273 is a prime.

It is a super-2 number, since 2×1454265292 = 42297750673975682, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145426492 and 145426501.

It is not a weakly prime, because it can be changed into another prime (145426579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72713264 + 72713265.

It is an arithmetic number, because the mean of its divisors is an integer number (72713265).

Almost surely, 2145426529 is an apocalyptic number.

It is an amenable number.

145426529 is a deficient number, since it is larger than the sum of its proper divisors (1).

145426529 is an equidigital number, since it uses as much as digits as its factorization.

145426529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 145426529 is about 12059.2922263290. The cubic root of 145426529 is about 525.8734111560.

The spelling of 145426529 in words is "one hundred forty-five million, four hundred twenty-six thousand, five hundred twenty-nine".