158946249 has 24 divisors (see below), whose sum is σ = 268943328. Its totient is φ = 82568640.

The previous prime is 158946247. The next prime is 158946287. The reversal of 158946249 is 942649851.

158946249 = 1777² + 1778² + ... + 1825².

It is not a de Polignac number, because 158946249 - 2¹ = 158946247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158946198 and 158946207.

It is not an unprimeable number, because it can be changed into a prime (158946247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47532 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (11205972).

Almost surely, 2^158946249 is an apocalyptic number.

It is an amenable number.

158946249 is a deficient number, since it is larger than the sum of its proper divisors (109997079).

158946249 is a wasteful number, since it uses less digits than its factorization.

158946249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98325 (or 98318 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 158946249 is about 12607.3886669683. The cubic root of 158946249 is about 541.6890972118.

The spelling of 158946249 in words is "one hundred fifty-eight million, nine hundred forty-six thousand, two hundred forty-nine".