145304629 has 2 divisors, whose sum is σ = 145304630. Its totient is φ = 145304628.

The previous prime is 145304617. The next prime is 145304681. The reversal of 145304629 is 926403541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137592900 + 7711729 = 11730^2 + 2777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145304629 is a prime.

It is a super-2 number, since 2×145304629² = 42226870417655282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145304594 and 145304603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145304689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72652314 + 72652315.

It is an arithmetic number, because the mean of its divisors is an integer number (72652315).

Almost surely, 2^145304629 is an apocalyptic number.

It is an amenable number.

145304629 is a deficient number, since it is larger than the sum of its proper divisors (1).

145304629 is an equidigital number, since it uses as much as digits as its factorization.

145304629 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 145304629 is about 12054.2369729486. The cubic root of 145304629 is about 525.7264368527.

The spelling of 145304629 in words is "one hundred forty-five million, three hundred four thousand, six hundred twenty-nine".