146221313522 has 32 divisors (see below), whose sum is σ = 231284363904. Its totient is φ = 69197356800.

The previous prime is 146221313431. The next prime is 146221313549. The reversal of 146221313522 is 225313122641.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698497 + ... + 1782507.

It is an arithmetic number, because the mean of its divisors is an integer number (7227636372).

Almost surely, 2^146221313522 is an apocalyptic number.

146221313522 is a deficient number, since it is larger than the sum of its proper divisors (85063050382).

146221313522 is a wasteful number, since it uses less digits than its factorization.

146221313522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84434.

The product of its digits is 17280, while the sum is 32.

The spelling of 146221313522 in words is "one hundred forty-six billion, two hundred twenty-one million, three hundred thirteen thousand, five hundred twenty-two".