158220862 has 8 divisors (see below), whose sum is σ = 238277592. Its totient is φ = 78795000.

The previous prime is 158220833. The next prime is 158220877. The reversal of 158220862 is 268022851.

158220862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157089 + ... + 158092.

It is an arithmetic number, because the mean of its divisors is an integer number (29784699).

Almost surely, 2^158220862 is an apocalyptic number.

158220862 is a deficient number, since it is larger than the sum of its proper divisors (80056730).

158220862 is a wasteful number, since it uses less digits than its factorization.

158220862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315434.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 158220862 is about 12578.5874405674. The cubic root of 158220862 is about 540.8638004008.

The spelling of 158220862 in words is "one hundred fifty-eight million, two hundred twenty thousand, eight hundred sixty-two".