151580 has 48 divisors (see below), whose sum is σ = 381024. Its totient is φ = 49920.

The previous prime is 151579. The next prime is 151597. The reversal of 151580 is 85151.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2834 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (7938).

2¹⁵¹⁵⁸⁰ is an apocalyptic number.

151580 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 151580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512).

151580 is an abundant number, since it is smaller than the sum of its proper divisors (229444).

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

151580 is a wasteful number, since it uses less digits than its factorization.

151580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 151580 is about 389.3327625567. The cubic root of 151580 is about 53.3188328635.

The spelling of 151580 in words is "one hundred fifty-one thousand, five hundred eighty".