158147946 has 24 divisors (see below), whose sum is σ = 373804704. Its totient is φ = 47923560.

The previous prime is 158147917. The next prime is 158147959. The reversal of 158147946 is 649741851.

158147946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399166 + ... + 399561.

It is an arithmetic number, because the mean of its divisors is an integer number (15575196).

Almost surely, 2^158147946 is an apocalyptic number.

158147946 is an abundant number, since it is smaller than the sum of its proper divisors (215656758).

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

158147946 is a wasteful number, since it uses less digits than its factorization.

158147946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798746 (or 798743 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 158147946 is about 12575.6886888949. The cubic root of 158147946 is about 540.7807020361.

The spelling of 158147946 in words is "one hundred fifty-eight million, one hundred forty-seven thousand, nine hundred forty-six".