5154444252 has 18 divisors (see below), whose sum is σ = 13029289728. Its totient is φ = 1718148072.

The previous prime is 5154444193. The next prime is 5154444313. The reversal of 5154444252 is 2524444515.

5154444252 is a `hidden beast` number, since 51 + 544 + 44 + 25 + 2 = 666.

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

It is a super-4 number, since 4×5154444252⁴ (a number of 40 digits) contains 4444 as substring.

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: 143179007 = 5154444252 / (5 + 1 + 5 + 4 + 4 + 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, 71589468 + ... + 71589539.

Almost surely, 2^5154444252 is an apocalyptic number.

It is an amenable number.

5154444252 is an abundant number, since it is smaller than the sum of its proper divisors (7874845476).

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

5154444252 is a wasteful number, since it uses less digits than its factorization.

5154444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143179017 (or 143179012 counting only the distinct ones).

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

The square root of 5154444252 is about 71794.4583655312. The cubic root of 5154444252 is about 1727.4041115046.

Adding to 5154444252 its reverse (2524444515), we get a palindrome (7678888767).

The spelling of 5154444252 in words is "five billion, one hundred fifty-four million, four hundred forty-four thousand, two hundred fifty-two".