158149227 has 8 divisors (see below), whose sum is σ = 215769664. Its totient is φ = 102980808.

The previous prime is 158149223. The next prime is 158149237. The reversal of 158149227 is 722941851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158149227 - 2² = 158149223 is a prime.

It is a super-2 number, since 2×158149227² = 50022356001395058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158149223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612853 + ... + 613110.

It is an arithmetic number, because the mean of its divisors is an integer number (26971208).

Almost surely, 2^158149227 is an apocalyptic number.

158149227 is a deficient number, since it is larger than the sum of its proper divisors (57620437).

158149227 is a wasteful number, since it uses less digits than its factorization.

158149227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226009.

The product of its digits is 40320, while the sum is 39.

The square root of 158149227 is about 12575.7396203961. The cubic root of 158149227 is about 540.7821621419.

The spelling of 158149227 in words is "one hundred fifty-eight million, one hundred forty-nine thousand, two hundred twenty-seven".