145503145222 has 8 divisors (see below), whose sum is σ = 218262409416. Its totient is φ = 72749008752.

The previous prime is 145503145219. The next prime is 145503145237. The reversal of 145503145222 is 222541305541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210188 + ... + 1324975.

It is an arithmetic number, because the mean of its divisors is an integer number (27282801177).

Almost surely, 2^145503145222 is an apocalyptic number.

145503145222 is a deficient number, since it is larger than the sum of its proper divisors (72759264194).

145503145222 is a wasteful number, since it uses less digits than its factorization.

145503145222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563862.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 145503145222 in words is "one hundred forty-five billion, five hundred three million, one hundred forty-five thousand, two hundred twenty-two".