158345680 has 20 divisors (see below), whose sum is σ = 368153892. Its totient is φ = 63338240.

The previous prime is 158345659. The next prime is 158345699. The reversal of 158345680 is 86543851.

158345680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 113294736 + 45050944 = 10644^2 + 6712^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989581 + ... + 989740.

Almost surely, 2^158345680 is an apocalyptic number.

158345680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158345680 is an abundant number, since it is smaller than the sum of its proper divisors (209808212).

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

158345680 is a wasteful number, since it uses less digits than its factorization.

158345680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979334 (or 1979328 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 158345680 is about 12583.5479893391. The cubic root of 158345680 is about 541.0059893898.

The spelling of 158345680 in words is "one hundred fifty-eight million, three hundred forty-five thousand, six hundred eighty".