145251054229 has 2 divisors, whose sum is σ = 145251054230. Its totient is φ = 145251054228.

The previous prime is 145251054197. The next prime is 145251054233. The reversal of 145251054229 is 922450152541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132532402500 + 12718651729 = 364050^2 + 112777^2 .

It is a cyclic number.

It is not a de Polignac number, because 145251054229 - 2⁵ = 145251054197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145251054191 and 145251054200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145251054269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72625527114 + 72625527115.

It is an arithmetic number, because the mean of its divisors is an integer number (72625527115).

Almost surely, 2^145251054229 is an apocalyptic number.

It is an amenable number.

145251054229 is a deficient number, since it is larger than the sum of its proper divisors (1).

145251054229 is an equidigital number, since it uses as much as digits as its factorization.

145251054229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 145251054229 in words is "one hundred forty-five billion, two hundred fifty-one million, fifty-four thousand, two hundred twenty-nine".