145225922 has 8 divisors (see below), whose sum is σ = 219056400. Its totient is φ = 72207124.

The previous prime is 145225909. The next prime is 145225931. The reversal of 145225922 is 229522541.

145225922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 202472 + ... + 203187.

It is an arithmetic number, because the mean of its divisors is an integer number (27382050).

Almost surely, 2^145225922 is an apocalyptic number.

145225922 is a deficient number, since it is larger than the sum of its proper divisors (73830478).

145225922 is a wasteful number, since it uses less digits than its factorization.

145225922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405840.

The product of its digits is 14400, while the sum is 32.

The square root of 145225922 is about 12050.9718280311. The cubic root of 145225922 is about 525.6314964866.

The spelling of 145225922 in words is "one hundred forty-five million, two hundred twenty-five thousand, nine hundred twenty-two".