145543544520 has 128 divisors (see below), whose sum is σ = 486459095040. Its totient is φ = 34532560640.

The previous prime is 145543544501. The next prime is 145543544527. The reversal of 145543544520 is 25445345541.

145543544520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145543544527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1110942 + ... + 1235021.

It is an arithmetic number, because the mean of its divisors is an integer number (3800461680).

Almost surely, 2^145543544520 is an apocalyptic number.

145543544520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145543544520 is an abundant number, since it is smaller than the sum of its proper divisors (340915550520).

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

145543544520 is a wasteful number, since it uses less digits than its factorization.

145543544520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346035 (or 2346031 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 145543544520 in words is "one hundred forty-five billion, five hundred forty-three million, five hundred forty-four thousand, five hundred twenty".