146390522 has 8 divisors (see below), whose sum is σ = 219640896. Its totient is φ = 73176892.

The previous prime is 146390513. The next prime is 146390527. The reversal of 146390522 is 225093641.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (146390527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423 + ... + 17949.

It is an arithmetic number, because the mean of its divisors is an integer number (27455112).

Almost surely, 2^146390522 is an apocalyptic number.

146390522 is a deficient number, since it is larger than the sum of its proper divisors (73250374).

146390522 is a wasteful number, since it uses less digits than its factorization.

146390522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18372.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 146390522 is about 12099.1950971955. The cubic root of 146390522 is about 527.0328105191.

The spelling of 146390522 in words is "one hundred forty-six million, three hundred ninety thousand, five hundred twenty-two".