145201213225520 has 40 divisors (see below), whose sum is σ = 337645894220160. Its totient is φ = 58071354370560.

The previous prime is 145201213225513. The next prime is 145201213225547. The reversal of 145201213225520 is 25522312102541.

It is a tau number, because it is divible by the number of its divisors (40).

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, 142158560 + ... + 143176319.

It is an arithmetic number, because the mean of its divisors is an integer number (8441147355504).

Almost surely, 2^{145201213225520} is an apocalyptic number.

145201213225520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145201213225520 is an abundant number, since it is smaller than the sum of its proper divisors (192444680994640).

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

145201213225520 is a wasteful number, since it uses less digits than its factorization.

145201213225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285341253 (or 285341247 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 145201213225520 in words is "one hundred forty-five trillion, two hundred one billion, two hundred thirteen million, two hundred twenty-five thousand, five hundred twenty".