158820480 has 512 divisors, whose sum is σ = 699148800. Its totient is φ = 33177600.

The previous prime is 158820469. The next prime is 158820491. The reversal of 158820480 is 84028851.

158820480 is a `hidden beast` number, since 158 + 8 + 20 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (158820469) and next prime (158820491).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1572430 + ... + 1572530.

It is an arithmetic number, because the mean of its divisors is an integer number (1365525).

Almost surely, 2^158820480 is an apocalyptic number.

158820480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158820480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349574400).

158820480 is an abundant number, since it is smaller than the sum of its proper divisors (540328320).

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

158820480 is a wasteful number, since it uses less digits than its factorization.

158820480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 158820480 is about 12602.3997714721. The cubic root of 158820480 is about 541.5461858535.

The spelling of 158820480 in words is "one hundred fifty-eight million, eight hundred twenty thousand, four hundred eighty".