158654649 has 12 divisors (see below), whose sum is σ = 216654416. Its totient is φ = 103216848.

The previous prime is 158654647. The next prime is 158654651. The reversal of 158654649 is 946456851.

158654649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158654647) and next prime (158654651).

It is not a de Polignac number, because 158654649 - 2¹ = 158654647 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 158654598 and 158654607.

It is not an unprimeable number, because it can be changed into a prime (158654647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142507 + ... + 143615.

Almost surely, 2^158654649 is an apocalyptic number.

It is an amenable number.

158654649 is a deficient number, since it is larger than the sum of its proper divisors (57999767).

158654649 is an frugal number, since it uses more digits than its factorization.

158654649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 1155 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 158654649 is about 12595.8187109850. The cubic root of 158654649 is about 541.3576366603.

The spelling of 158654649 in words is "one hundred fifty-eight million, six hundred fifty-four thousand, six hundred forty-nine".