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145155301 is a prime number
BaseRepresentation
bin10001010011011…
…10010011100101
3101010010122122021
420221232103211
5244124432201
622223103141
73411541204
oct1051562345
9333118567
10145155301
1174a33365
1240741ab1
13240c3a15
14153c723b
15cb23ea1
hex8a6e4e5

145155301 has 2 divisors, whose sum is σ = 145155302. Its totient is φ = 145155300.

The previous prime is 145155271. The next prime is 145155319. The reversal of 145155301 is 103551541.

It is a happy number.

145155301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77422401 + 67732900 = 8799^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 145155301 - 219 = 144631013 is a prime.

It is a super-2 number, since 2×1451553012 = 42140122816801202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145155331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72577650 + 72577651.

It is an arithmetic number, because the mean of its divisors is an integer number (72577651).

Almost surely, 2145155301 is an apocalyptic number.

It is an amenable number.

145155301 is a deficient number, since it is larger than the sum of its proper divisors (1).

145155301 is an equidigital number, since it uses as much as digits as its factorization.

145155301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 145155301 is about 12048.0413760910. The cubic root of 145155301 is about 525.5462806609.

The spelling of 145155301 in words is "one hundred forty-five million, one hundred fifty-five thousand, three hundred one".