145044351520 has 48 divisors (see below), whose sum is σ = 342739470528. Its totient is φ = 58005518080.

The previous prime is 145044351499. The next prime is 145044351539. The reversal of 145044351520 is 25153440541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686307 + ... + 872413.

It is an arithmetic number, because the mean of its divisors is an integer number (7140405636).

Almost surely, 2^145044351520 is an apocalyptic number.

145044351520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145044351520 is an abundant number, since it is smaller than the sum of its proper divisors (197695119008).

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

145044351520 is a wasteful number, since it uses less digits than its factorization.

145044351520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190993 (or 190985 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 145044351520 in words is "one hundred forty-five billion, forty-four million, three hundred fifty-one thousand, five hundred twenty".