145587980 has 36 divisors (see below), whose sum is σ = 309545040. Its totient is φ = 57518208.

The previous prime is 145587943. The next prime is 145587989. The reversal of 145587980 is 89785541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145587989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157961 + ... + 158879.

Almost surely, 2^145587980 is an apocalyptic number.

145587980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145587980 is an abundant number, since it is smaller than the sum of its proper divisors (163957060).

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

145587980 is an equidigital number, since it uses as much as digits as its factorization.

145587980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 145587980 is about 12065.9844190186. The cubic root of 145587980 is about 526.0679455569.

The spelling of 145587980 in words is "one hundred forty-five million, five hundred eighty-seven thousand, nine hundred eighty".