145501810986 has 288 divisors, whose sum is σ = 381486039552. Its totient is φ = 36816353280.

The previous prime is 145501810913. The next prime is 145501810991. The reversal of 145501810986 is 689018105541.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 97455256 + ... + 97456748.

It is an arithmetic number, because the mean of its divisors is an integer number (1324604304).

Almost surely, 2^145501810986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145501810986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190743019776).

145501810986 is an abundant number, since it is smaller than the sum of its proper divisors (235984228566).

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

145501810986 is a wasteful number, since it uses less digits than its factorization.

145501810986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 145501810986 in words is "one hundred forty-five billion, five hundred one million, eight hundred ten thousand, nine hundred eighty-six".