158305420 has 48 divisors (see below), whose sum is σ = 409163328. Its totient is φ = 50100480.

The previous prime is 158305417. The next prime is 158305421. The reversal of 158305420 is 24503851.

158305420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (158305421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41671 + ... + 45310.

It is an arithmetic number, because the mean of its divisors is an integer number (8524236).

Almost surely, 2^158305420 is an apocalyptic number.

158305420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158305420 is an abundant number, since it is smaller than the sum of its proper divisors (250857908).

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

158305420 is a wasteful number, since it uses less digits than its factorization.

158305420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87010 (or 87008 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 158305420 is about 12581.9481798329. The cubic root of 158305420 is about 540.9601345500.

The spelling of 158305420 in words is "one hundred fifty-eight million, three hundred five thousand, four hundred twenty".