145200522 has 16 divisors (see below), whose sum is σ = 290519712. Its totient is φ = 48380400.

The previous prime is 145200509. The next prime is 145200533. The reversal of 145200522 is 225002541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23988 + ... + 29424.

It is an arithmetic number, because the mean of its divisors is an integer number (18157482).

Almost surely, 2^145200522 is an apocalyptic number.

145200522 is an abundant number, since it is smaller than the sum of its proper divisors (145319190).

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

145200522 is a wasteful number, since it uses less digits than its factorization.

145200522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 145200522 is about 12049.9179250317. The cubic root of 145200522 is about 525.6008504002.

The spelling of 145200522 in words is "one hundred forty-five million, two hundred thousand, five hundred twenty-two".