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145025941 is a prime number
BaseRepresentation
bin10001010010011…
…10101110010101
3101002220002012011
420221032232111
5244111312231
622220224221
73410462104
oct1051165625
9332802164
10145025941
1174955155
124069b071
1324079b88
141539203b
15caea9b1
hex8a4eb95

145025941 has 2 divisors, whose sum is σ = 145025942. Its totient is φ = 145025940.

The previous prime is 145025939. The next prime is 145026019. The reversal of 145025941 is 149520541.

145025941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143280900 + 1745041 = 11970^2 + 1321^2 .

It is an emirp because it is prime and its reverse (149520541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145025941 - 21 = 145025939 is a prime.

Together with 145025939, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145025911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72512970 + 72512971.

It is an arithmetic number, because the mean of its divisors is an integer number (72512971).

Almost surely, 2145025941 is an apocalyptic number.

It is an amenable number.

145025941 is a deficient number, since it is larger than the sum of its proper divisors (1).

145025941 is an equidigital number, since it uses as much as digits as its factorization.

145025941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 145025941 is about 12042.6716720170. The cubic root of 145025941 is about 525.3901148807.

The spelling of 145025941 in words is "one hundred forty-five million, twenty-five thousand, nine hundred forty-one".