145489448522 has 16 divisors (see below), whose sum is σ = 239095426752. Its totient is φ = 65847738720.

The previous prime is 145489448491. The next prime is 145489448539. The reversal of 145489448522 is 225844984541.

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, 14186198 + ... + 14196449.

It is an arithmetic number, because the mean of its divisors is an integer number (14943464172).

Almost surely, 2^145489448522 is an apocalyptic number.

145489448522 is a deficient number, since it is larger than the sum of its proper divisors (93605978230).

145489448522 is a wasteful number, since it uses less digits than its factorization.

145489448522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28382893.

The product of its digits is 14745600, while the sum is 56.

The spelling of 145489448522 in words is "one hundred forty-five billion, four hundred eighty-nine million, four hundred forty-eight thousand, five hundred twenty-two".