145419529 has 2 divisors, whose sum is σ = 145419530. Its totient is φ = 145419528.

The previous prime is 145419511. The next prime is 145419539. The reversal of 145419529 is 925914541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145154304 + 265225 = 12048^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 145419529 - 2⁷ = 145419401 is a prime.

It is a super-2 number, since 2×145419529² = 42293678829163682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145419491 and 145419500.

It is not a weakly prime, because it can be changed into another prime (145419539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72709764 + 72709765.

It is an arithmetic number, because the mean of its divisors is an integer number (72709765).

Almost surely, 2^145419529 is an apocalyptic number.

It is an amenable number.

145419529 is a deficient number, since it is larger than the sum of its proper divisors (1).

145419529 is an equidigital number, since it uses as much as digits as its factorization.

145419529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 40.

The square root of 145419529 is about 12059.0019902146. The cubic root of 145419529 is about 525.8649735095.

The spelling of 145419529 in words is "one hundred forty-five million, four hundred nineteen thousand, five hundred twenty-nine".