145626529 has 2 divisors, whose sum is σ = 145626530. Its totient is φ = 145626528.

The previous prime is 145626527. The next prime is 145626557. The reversal of 145626529 is 925626541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81866304 + 63760225 = 9048^2 + 7985^2 .

It is a cyclic number.

It is not a de Polignac number, because 145626529 - 2¹ = 145626527 is a prime.

Together with 145626527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 145626491 and 145626500.

It is not a weakly prime, because it can be changed into another prime (145626527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72813264 + 72813265.

It is an arithmetic number, because the mean of its divisors is an integer number (72813265).

Almost surely, 2^145626529 is an apocalyptic number.

It is an amenable number.

145626529 is a deficient number, since it is larger than the sum of its proper divisors (1).

145626529 is an equidigital number, since it uses as much as digits as its factorization.

145626529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 145626529 is about 12067.5817378628. The cubic root of 145626529 is about 526.1143724749.

The spelling of 145626529 in words is "one hundred forty-five million, six hundred twenty-six thousand, five hundred twenty-nine".