158643446 has 8 divisors (see below), whose sum is σ = 256270224. Its totient is φ = 73220040.

The previous prime is 158643431. The next prime is 158643449. The reversal of 158643446 is 644346851.

It is a happy number.

158643446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158643449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050810 + ... + 3050861.

It is an arithmetic number, because the mean of its divisors is an integer number (32033778).

Almost surely, 2^158643446 is an apocalyptic number.

158643446 is a deficient number, since it is larger than the sum of its proper divisors (97626778).

158643446 is a wasteful number, since it uses less digits than its factorization.

158643446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101686.

The product of its digits is 276480, while the sum is 41.

The square root of 158643446 is about 12595.3739920655. The cubic root of 158643446 is about 541.3448941566.

The spelling of 158643446 in words is "one hundred fifty-eight million, six hundred forty-three thousand, four hundred forty-six".