145824331780 has 24 divisors (see below), whose sum is σ = 309920631552. Its totient is φ = 57626964192.

The previous prime is 145824331771. The next prime is 145824331781. The reversal of 145824331780 is 87133428541.

It is a self number, because there is not a number n which added to its sum of digits gives 145824331780.

It is not an unprimeable number, because it can be changed into a prime (145824331781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43921332 + ... + 43924651.

It is an arithmetic number, because the mean of its divisors is an integer number (12913359648).

Almost surely, 2^145824331780 is an apocalyptic number.

145824331780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145824331780 is an abundant number, since it is smaller than the sum of its proper divisors (164096299772).

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

145824331780 is a wasteful number, since it uses less digits than its factorization.

145824331780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87846075 (or 87846073 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 145824331780 in words is "one hundred forty-five billion, eight hundred twenty-four million, three hundred thirty-one thousand, seven hundred eighty".