158345851 has 2 divisors, whose sum is σ = 158345852. Its totient is φ = 158345850.

The previous prime is 158345849. The next prime is 158345879. The reversal of 158345851 is 158543851.

It is a happy number.

158345851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158345851 - 2¹ = 158345849 is a prime.

Together with 158345849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (158345801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79172925 + 79172926.

It is an arithmetic number, because the mean of its divisors is an integer number (79172926).

Almost surely, 2^158345851 is an apocalyptic number.

158345851 is a deficient number, since it is larger than the sum of its proper divisors (1).

158345851 is an equidigital number, since it uses as much as digits as its factorization.

158345851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 40.

The square root of 158345851 is about 12583.5547839233. The cubic root of 158345851 is about 541.0061841367.

The spelling of 158345851 in words is "one hundred fifty-eight million, three hundred forty-five thousand, eight hundred fifty-one".