158744226 has 16 divisors (see below), whose sum is σ = 317961504. Its totient is φ = 52835904.

The previous prime is 158744219. The next prime is 158744269. The reversal of 158744226 is 622447851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15271 + ... + 23466.

It is an arithmetic number, because the mean of its divisors is an integer number (19872594).

Almost surely, 2^158744226 is an apocalyptic number.

158744226 is an abundant number, since it is smaller than the sum of its proper divisors (159217278).

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

158744226 is a wasteful number, since it uses less digits than its factorization.

158744226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39425.

The product of its digits is 107520, while the sum is 39.

The square root of 158744226 is about 12599.3740320700. The cubic root of 158744226 is about 541.4595016644.

It can be divided in two parts, 15874 and 4226, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 158744226 in words is "one hundred fifty-eight million, seven hundred forty-four thousand, two hundred twenty-six".