145786180 has 48 divisors (see below), whose sum is σ = 319947264. Its totient is φ = 55733760.

The previous prime is 145786177. The next prime is 145786187. The reversal of 145786180 is 81687541.

It is a super-2 number, since 2×145786180² = 42507220557984800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145786187) 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, 50044 + ... + 52876.

It is an arithmetic number, because the mean of its divisors is an integer number (6665568).

Almost surely, 2^145786180 is an apocalyptic number.

145786180 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 145786180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159973632).

145786180 is an abundant number, since it is smaller than the sum of its proper divisors (174161084).

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

145786180 is a wasteful number, since it uses less digits than its factorization.

145786180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 145786180 is about 12074.1947971697. The cubic root of 145786180 is about 526.3065627540.

The spelling of 145786180 in words is "one hundred forty-five million, seven hundred eighty-six thousand, one hundred eighty".