158630629 has 2 divisors, whose sum is σ = 158630630. Its totient is φ = 158630628.

The previous prime is 158630623. The next prime is 158630669. The reversal of 158630629 is 926036851.

It is an a-pointer prime, because the next prime (158630669) can be obtained adding 158630629 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88322404 + 70308225 = 9398^2 + 8385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158630629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158630591 and 158630600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158630623) 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, 79315314 + 79315315.

It is an arithmetic number, because the mean of its divisors is an integer number (79315315).

Almost surely, 2^158630629 is an apocalyptic number.

It is an amenable number.

158630629 is a deficient number, since it is larger than the sum of its proper divisors (1).

158630629 is an equidigital number, since it uses as much as digits as its factorization.

158630629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 158630629 is about 12594.8651838755. The cubic root of 158630629 is about 541.3303151230.

The spelling of 158630629 in words is "one hundred fifty-eight million, six hundred thirty thousand, six hundred twenty-nine".