145800223556 has 24 divisors (see below), whose sum is σ = 274967380800. Its totient is φ = 67245871392.

The previous prime is 145800223531. The next prime is 145800223559. The reversal of 145800223556 is 655322008541.

It is not an unprimeable number, because it can be changed into a prime (145800223559) 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, 893606 + ... + 1044093.

It is an arithmetic number, because the mean of its divisors is an integer number (11456974200).

Almost surely, 2^145800223556 is an apocalyptic number.

It is an amenable number.

145800223556 is a deficient number, since it is larger than the sum of its proper divisors (129167157244).

145800223556 is a wasteful number, since it uses less digits than its factorization.

145800223556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939163 (or 1939161 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 145800223556 in words is "one hundred forty-five billion, eight hundred million, two hundred twenty-three thousand, five hundred fifty-six".