145430629 has 2 divisors, whose sum is σ = 145430630. Its totient is φ = 145430628.

The previous prime is 145430591. The next prime is 145430639. The reversal of 145430629 is 926034541.

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., 120450625 + 24980004 = 10975^2 + 4998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145430629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145430594 and 145430603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145430639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72715314 + 72715315.

It is an arithmetic number, because the mean of its divisors is an integer number (72715315).

Almost surely, 2^145430629 is an apocalyptic number.

It is an amenable number.

145430629 is a deficient number, since it is larger than the sum of its proper divisors (1).

145430629 is an equidigital number, since it uses as much as digits as its factorization.

145430629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 145430629 is about 12059.4622185237. The cubic root of 145430629 is about 525.8783530804.

The spelling of 145430629 in words is "one hundred forty-five million, four hundred thirty thousand, six hundred twenty-nine".