545211454452 has 48 divisors (see below), whose sum is σ = 1530418122240. Its totient is φ = 147576032352.

The previous prime is 545211454429. The next prime is 545211454457. The reversal of 545211454452 is 254454112545.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545211454457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170803998 + ... + 170807189.

It is an arithmetic number, because the mean of its divisors is an integer number (31883710880).

Almost surely, 2^545211454452 is an apocalyptic number.

It is an amenable number.

545211454452 is an abundant number, since it is smaller than the sum of its proper divisors (985206667788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545211454452 is a wasteful number, since it uses less digits than its factorization.

545211454452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341611220 (or 341611218 counting only the distinct ones).

The product of its digits is 640000, while the sum is 42.

Adding to 545211454452 its reverse (254454112545), we get a palindrome (799665566997).

The spelling of 545211454452 in words is "five hundred forty-five billion, two hundred eleven million, four hundred fifty-four thousand, four hundred fifty-two".