146221992125 has 16 divisors (see below), whose sum is σ = 199074597696. Its totient is φ = 106343266000.

The previous prime is 146221992113. The next prime is 146221992139. The reversal of 146221992125 is 521299122641.

It is not a de Polignac number, because 146221992125 - 2¹⁰ = 146221991101 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 53170259 + ... + 53173008.

It is an arithmetic number, because the mean of its divisors is an integer number (12442162356).

Almost surely, 2^146221992125 is an apocalyptic number.

It is an amenable number.

146221992125 is a deficient number, since it is larger than the sum of its proper divisors (52852605571).

146221992125 is a wasteful number, since it uses less digits than its factorization.

146221992125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106343293 (or 106343283 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The spelling of 146221992125 in words is "one hundred forty-six billion, two hundred twenty-one million, nine hundred ninety-two thousand, one hundred twenty-five".