155050073 has 2 divisors, whose sum is σ = 155050074. Its totient is φ = 155050072.
The previous prime is 155050067. The next prime is 155050079. The reversal of 155050073 is 370050551.
155050073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a balanced prime because it is at equal distance from previous prime (155050067) and next prime (155050079).
It can be written as a sum of positive squares in only one way, i.e., 151708489 + 3341584 = 12317^2 + 1828^2 .
It is a cyclic number.
It is not a de Polignac number, because 155050073 - 24 = 155050057 is a prime.
It is not a weakly prime, because it can be changed into another prime (155050079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77525036 + 77525037.
It is an arithmetic number, because the mean of its divisors is an integer number (77525037).
Almost surely, 2155050073 is an apocalyptic number.
It is an amenable number.
155050073 is a deficient number, since it is larger than the sum of its proper divisors (1).
155050073 is an equidigital number, since it uses as much as digits as its factorization.
155050073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2625, while the sum is 26.
The square root of 155050073 is about 12451.9104156752. The cubic root of 155050073 is about 537.2263736540.
The spelling of 155050073 in words is "one hundred fifty-five million, fifty thousand, seventy-three".
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