545245626542545 has 8 divisors (see below), whose sum is σ = 654312290197824. Its totient is φ = 436184809002864.

The previous prime is 545245626542543. The next prime is 545245626542549.

545245626542545 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545245626542545 - 2¹ = 545245626542543 is a prime.

It is a super-2 number, since 2×545245626542545² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545245626542543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461323709 + ... + 1461696778.

It is an arithmetic number, because the mean of its divisors is an integer number (81789036274728).

Almost surely, 2^{545245626542545} is an apocalyptic number.

It is an amenable number.

545245626542545 is a deficient number, since it is larger than the sum of its proper divisors (109066663655279).

545245626542545 is a wasteful number, since it uses less digits than its factorization.

545245626542545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923057799.

The product of its digits is 1152000000, while the sum is 64.

The spelling of 545245626542545 in words is "five hundred forty-five trillion, two hundred forty-five billion, six hundred twenty-six million, five hundred forty-two thousand, five hundred forty-five".