158147920 has 40 divisors (see below), whose sum is σ = 420223104. Its totient is φ = 54221952.

The previous prime is 158147917. The next prime is 158147959. The reversal of 158147920 is 29741851.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 158147920.

It is a congruent number.

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, 140644 + ... + 141763.

Almost surely, 2^158147920 is an apocalyptic number.

158147920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158147920 is an abundant number, since it is smaller than the sum of its proper divisors (262075184).

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

158147920 is a wasteful number, since it uses less digits than its factorization.

158147920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282427 (or 282421 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 158147920 is about 12575.6876551543. The cubic root of 158147920 is about 540.7806724008.

The spelling of 158147920 in words is "one hundred fifty-eight million, one hundred forty-seven thousand, nine hundred twenty".