145486074880 has 44 divisors (see below), whose sum is σ = 348996100500. Its totient is φ = 58194427904.

The previous prime is 145486074857. The next prime is 145486074883. The reversal of 145486074880 is 88470684541.

It can be written as a sum of positive squares in 2 ways, for example, as 69645321216 + 75840753664 = 263904^2 + 275392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145486074883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14202505 + ... + 14212744.

Almost surely, 2^145486074880 is an apocalyptic number.

145486074880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145486074880 is an abundant number, since it is smaller than the sum of its proper divisors (203510025620).

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

145486074880 is an equidigital number, since it uses as much as digits as its factorization.

145486074880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28415274 (or 28415256 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 145486074880 in words is "one hundred forty-five billion, four hundred eighty-six million, seventy-four thousand, eight hundred eighty".