545252252152 has 8 divisors (see below), whose sum is σ = 1022347972800. Its totient is φ = 272626126072.

The previous prime is 545252252143. The next prime is 545252252159. The reversal of 545252252152 is 251252252545.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×545252252152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545252252159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34078265752 + ... + 34078265767.

It is an arithmetic number, because the mean of its divisors is an integer number (127793496600).

Almost surely, 2^545252252152 is an apocalyptic number.

It is an amenable number.

545252252152 is a deficient number, since it is larger than the sum of its proper divisors (477095720648).

545252252152 is a wasteful number, since it uses less digits than its factorization.

545252252152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68156531525 (or 68156531521 counting only the distinct ones).

The product of its digits is 400000, while the sum is 40.

The spelling of 545252252152 in words is "five hundred forty-five billion, two hundred fifty-two million, two hundred fifty-two thousand, one hundred fifty-two".