145780405760 has 80 divisors (see below), whose sum is σ = 381306947472. Its totient is φ = 53011046400.

The previous prime is 145780405741. The next prime is 145780405789. The reversal of 145780405760 is 67504087541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2560271 + ... + 2616590.

Almost surely, 2^145780405760 is an apocalyptic number.

145780405760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145780405760 is an abundant number, since it is smaller than the sum of its proper divisors (235526541712).

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

145780405760 is an equidigital number, since it uses as much as digits as its factorization.

145780405760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176895 (or 5176879 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 145780405760 in words is "one hundred forty-five billion, seven hundred eighty million, four hundred five thousand, seven hundred sixty".