5445144252 has 18 divisors (see below), whose sum is σ = 13764114728. Its totient is φ = 1815048072.

The previous prime is 5445144227. The next prime is 5445144349. The reversal of 5445144252 is 2524415445.

5445144252 is a `hidden beast` number, since 54 + 4 + 514 + 42 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 151254007 = 5445144252 / (5 + 4 + 4 + 5 + 1 + 4 + 4 + 2 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75626968 + ... + 75627039.

Almost surely, 2^5445144252 is an apocalyptic number.

It is an amenable number.

5445144252 is an abundant number, since it is smaller than the sum of its proper divisors (8318970476).

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

5445144252 is a wasteful number, since it uses less digits than its factorization.

5445144252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151254017 (or 151254012 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 5445144252 is about 73791.2206973160. The cubic root of 5445144252 is about 1759.2860667554.

Adding to 5445144252 its reverse (2524415445), we get a palindrome (7969559697).

The spelling of 5445144252 in words is "five billion, four hundred forty-five million, one hundred forty-four thousand, two hundred fifty-two".