145200323222540 has 48 divisors (see below), whose sum is σ = 305818903149312. Its totient is φ = 57909251353536.

The previous prime is 145200323222489. The next prime is 145200323222573. The reversal of 145200323222540 is 45222323002541.

It is a self number, because there is not a number n which added to its sum of digits gives 145200323222540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4300607 + ... + 17575433.

It is an arithmetic number, because the mean of its divisors is an integer number (6371227148944).

Almost surely, 2^{145200323222540} is an apocalyptic number.

145200323222540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145200323222540 is an abundant number, since it is smaller than the sum of its proper divisors (160618579926772).

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

145200323222540 is a wasteful number, since it uses less digits than its factorization.

145200323222540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276446 (or 13276444 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 145200323222540 in words is "one hundred forty-five trillion, two hundred billion, three hundred twenty-three million, two hundred twenty-two thousand, five hundred forty".