545747747545 has 64 divisors (see below), whose sum is σ = 888009454080. Its totient is φ = 310927104000.

The previous prime is 545747747527. The next prime is 545747747549.

545747747545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545747747545 - 2⁵ = 545747747513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545747747549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34300 + ... + 1045309.

It is an arithmetic number, because the mean of its divisors is an integer number (13875147720).

Almost surely, 2^545747747545 is an apocalyptic number.

545747747545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545747747545 is a deficient number, since it is larger than the sum of its proper divisors (342261706535).

545747747545 is a wasteful number, since it uses less digits than its factorization.

545747747545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079746.

The product of its digits is 384160000, while the sum is 64.

The spelling of 545747747545 in words is "five hundred forty-five billion, seven hundred forty-seven million, seven hundred forty-seven thousand, five hundred forty-five".