158230477 has 2 divisors, whose sum is σ = 158230478. Its totient is φ = 158230476.

The previous prime is 158230469. The next prime is 158230487. The reversal of 158230477 is 774032851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92717641 + 65512836 = 9629^2 + 8094^2 .

It is a cyclic number.

It is not a de Polignac number, because 158230477 - 2³ = 158230469 is a prime.

It is equal to p_8880832 and since 158230477 and 8880832 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158230447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79115238 + 79115239.

It is an arithmetic number, because the mean of its divisors is an integer number (79115239).

Almost surely, 2^158230477 is an apocalyptic number.

It is an amenable number.

158230477 is a deficient number, since it is larger than the sum of its proper divisors (1).

158230477 is an equidigital number, since it uses as much as digits as its factorization.

158230477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 158230477 is about 12578.9696318896. The cubic root of 158230477 is about 540.8747561834.

The spelling of 158230477 in words is "one hundred fifty-eight million, two hundred thirty thousand, four hundred seventy-seven".