545251452 has 24 divisors (see below), whose sum is σ = 1272638976. Its totient is φ = 181695408.

The previous prime is 545251451. The next prime is 545251477. The reversal of 545251452 is 254152545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545251451) 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, 61653 + ... + 69939.

It is an arithmetic number, because the mean of its divisors is an integer number (53026624).

Almost surely, 2^545251452 is an apocalyptic number.

It is an amenable number.

545251452 is an abundant number, since it is smaller than the sum of its proper divisors (727387524).

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

545251452 is a wasteful number, since it uses less digits than its factorization.

545251452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777 (or 13775 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 545251452 is about 23350.6199489435. The cubic root of 545251452 is about 816.9565208149.

The spelling of 545251452 in words is "five hundred forty-five million, two hundred fifty-one thousand, four hundred fifty-two".