145605580 has 12 divisors (see below), whose sum is σ = 305771760. Its totient is φ = 58242224.

The previous prime is 145605557. The next prime is 145605599. The reversal of 145605580 is 85506541.

It is a happy number.

145605580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×145605580³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3640120 + ... + 3640159.

It is an arithmetic number, because the mean of its divisors is an integer number (25480980).

Almost surely, 2^145605580 is an apocalyptic number.

145605580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145605580 is an abundant number, since it is smaller than the sum of its proper divisors (160166180).

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

145605580 is a wasteful number, since it uses less digits than its factorization.

145605580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280288 (or 7280286 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 145605580 is about 12066.7137199819. The cubic root of 145605580 is about 526.0891433297.

The spelling of 145605580 in words is "one hundred forty-five million, six hundred five thousand, five hundred eighty".