158028634 has 16 divisors (see below), whose sum is σ = 251494848. Its totient is φ = 74215872.

The previous prime is 158028631. The next prime is 158028659. The reversal of 158028634 is 436820851.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 158028593 and 158028602.

It is not an unprimeable number, because it can be changed into a prime (158028631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13339 + ... + 22225.

It is an arithmetic number, because the mean of its divisors is an integer number (15718428).

Almost surely, 2^158028634 is an apocalyptic number.

158028634 is a deficient number, since it is larger than the sum of its proper divisors (93466214).

158028634 is a wasteful number, since it uses less digits than its factorization.

158028634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 158028634 is about 12570.9440377404. The cubic root of 158028634 is about 540.6446735866.

The spelling of 158028634 in words is "one hundred fifty-eight million, twenty-eight thousand, six hundred thirty-four".