158730420 has 24 divisors (see below), whose sum is σ = 444445344. Its totient is φ = 42328096.

The previous prime is 158730413. The next prime is 158730443. The reversal of 158730420 is 24037851.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1322694 + ... + 1322813.

It is an arithmetic number, because the mean of its divisors is an integer number (18518556).

Almost surely, 2^158730420 is an apocalyptic number.

158730420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158730420 is an abundant number, since it is smaller than the sum of its proper divisors (285714924).

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

158730420 is a wasteful number, since it uses less digits than its factorization.

158730420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645519 (or 2645517 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 158730420 is about 12598.8261357954. The cubic root of 158730420 is about 541.4438042816.

The spelling of 158730420 in words is "one hundred fifty-eight million, seven hundred thirty thousand, four hundred twenty".