145885888580 has 12 divisors (see below), whose sum is σ = 306360366060. Its totient is φ = 58354355424.

The previous prime is 145885888573. The next prime is 145885888591. The reversal of 145885888580 is 85888588541.

It can be written as a sum of positive squares in 2 ways, for example, as 78503073856 + 67382814724 = 280184^2 + 259582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145885888580.

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, 3647147195 + ... + 3647147234.

It is an arithmetic number, because the mean of its divisors is an integer number (25530030505).

Almost surely, 2^145885888580 is an apocalyptic number.

145885888580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145885888580 is an abundant number, since it is smaller than the sum of its proper divisors (160474477480).

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

145885888580 is a wasteful number, since it uses less digits than its factorization.

145885888580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7294294438 (or 7294294436 counting only the distinct ones).

The product of its (nonzero) digits is 131072000, while the sum is 68.

The spelling of 145885888580 in words is "one hundred forty-five billion, eight hundred eighty-five million, eight hundred eighty-eight thousand, five hundred eighty".