145575629 has 2 divisors, whose sum is σ = 145575630. Its totient is φ = 145575628.

The previous prime is 145575611. The next prime is 145575637. The reversal of 145575629 is 926575541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 21141604 = 11155^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 145575629 - 2⁸ = 145575373 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145575629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145572629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72787814 + 72787815.

It is an arithmetic number, because the mean of its divisors is an integer number (72787815).

Almost surely, 2^145575629 is an apocalyptic number.

It is an amenable number.

145575629 is a deficient number, since it is larger than the sum of its proper divisors (1).

145575629 is an equidigital number, since it uses as much as digits as its factorization.

145575629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 145575629 is about 12065.4725974576. The cubic root of 145575629 is about 526.0530687588.

The spelling of 145575629 in words is "one hundred forty-five million, five hundred seventy-five thousand, six hundred twenty-nine".