158687046 has 64 divisors (see below), whose sum is σ = 405250560. Its totient is φ = 45087840.

The previous prime is 158687033. The next prime is 158687057. The reversal of 158687046 is 640786851.

It is a happy number.

It is a super-2 number, since 2×158687046² = 50363157136412232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158686992 and 158687010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73401 + ... + 75531.

It is an arithmetic number, because the mean of its divisors is an integer number (6332040).

Almost surely, 2^158687046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158687046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202625280).

158687046 is an abundant number, since it is smaller than the sum of its proper divisors (246563514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158687046 is a wasteful number, since it uses less digits than its factorization.

158687046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 158687046 is about 12597.1046673432. The cubic root of 158687046 is about 541.3944822446.

The spelling of 158687046 in words is "one hundred fifty-eight million, six hundred eighty-seven thousand, forty-six".