545501051145122 has 4 divisors (see below), whose sum is σ = 818251576717686. Its totient is φ = 272750525572560.

The previous prime is 545501051145059. The next prime is 545501051145151. The reversal of 545501051145122 is 221541150105545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 539888042011081 + 5613009134041 = 23235491^2 + 2369179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 545501051145122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136375262786279 + ... + 136375262786282.

Almost surely, 2^{545501051145122} is an apocalyptic number.

545501051145122 is a deficient number, since it is larger than the sum of its proper divisors (272750525572564).

545501051145122 is a wasteful number, since it uses less digits than its factorization.

545501051145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272750525572563.

The product of its (nonzero) digits is 200000, while the sum is 41.

The spelling of 545501051145122 in words is "five hundred forty-five trillion, five hundred one billion, fifty-one million, one hundred forty-five thousand, one hundred twenty-two".