7142252544 has 336 divisors, whose sum is σ = 24653138400. Its totient is φ = 2037547008.

The previous prime is 7142252539. The next prime is 7142252549. The reversal of 7142252544 is 4452522417.

7142252544 is a `hidden beast` number, since 71 + 4 + 22 + 525 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (7142252539) and next prime (7142252549).

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7142252499 and 7142252508.

It is not an unprimeable number, because it can be changed into a prime (7142252549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10837687 + ... + 10838345.

Almost surely, 2^7142252544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142252544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12326569200).

7142252544 is an abundant number, since it is smaller than the sum of its proper divisors (17510885856).

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

7142252544 is an equidigital number, since it uses as much as digits as its factorization.

7142252544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 671 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 7142252544 is about 84511.8485420831. The cubic root of 7142252544 is about 1925.8024467165.

The spelling of 7142252544 in words is "seven billion, one hundred forty-two million, two hundred fifty-two thousand, five hundred forty-four".