122146646445 has 48 divisors (see below), whose sum is σ = 212527411200. Its totient is φ = 64897094400.

The previous prime is 122146646423. The next prime is 122146646497. The reversal of 122146646445 is 544646641221.

122146646445 is a `hidden beast` number, since 1 + 2 + 2 + 146 + 6 + 464 + 45 = 666.

It is not a de Polignac number, because 122146646445 - 2⁷ = 122146646317 is a prime.

It is a super-3 number, since 3×122146646445³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122146646445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18591121 + ... + 18597689.

It is an arithmetic number, because the mean of its divisors is an integer number (4427654400).

Almost surely, 2^122146646445 is an apocalyptic number.

122146646445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122146646445 is a deficient number, since it is larger than the sum of its proper divisors (90380764755).

122146646445 is a wasteful number, since it uses less digits than its factorization.

122146646445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090 (or 8087 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The spelling of 122146646445 in words is "one hundred twenty-two billion, one hundred forty-six million, six hundred forty-six thousand, four hundred forty-five".