158211249 has 24 divisors (see below), whose sum is σ = 246097728. Its totient is φ = 90145440.

The previous prime is 158211241. The next prime is 158211253. The reversal of 158211249 is 942112851.

158211249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158211249 - 2³ = 158211241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158211241) 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, 57004 + ... + 59714.

It is an arithmetic number, because the mean of its divisors is an integer number (10254072).

Almost surely, 2^158211249 is an apocalyptic number.

It is an amenable number.

158211249 is a deficient number, since it is larger than the sum of its proper divisors (87886479).

158211249 is a wasteful number, since it uses less digits than its factorization.

158211249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3118 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 158211249 is about 12578.2053171349. The cubic root of 158211249 is about 540.8528464534.

The spelling of 158211249 in words is "one hundred fifty-eight million, two hundred eleven thousand, two hundred forty-nine".