4251544142 has 32 divisors (see below), whose sum is σ = 6665307264. Its totient is φ = 2032243200.

The previous prime is 4251544123. The next prime is 4251544147. The reversal of 4251544142 is 2414451524.

It is a junction number, because it is equal to n+sod(n) for n = 4251544099 and 4251544108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251544147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198892 + ... + 1202432.

It is an arithmetic number, because the mean of its divisors is an integer number (208290852).

Almost surely, 2^4251544142 is an apocalyptic number.

4251544142 is a deficient number, since it is larger than the sum of its proper divisors (2413763122).

4251544142 is a wasteful number, since it uses less digits than its factorization.

4251544142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884.

The product of its digits is 25600, while the sum is 32.

The square root of 4251544142 is about 65203.8660050154. The cubic root of 4251544142 is about 1620.0020502438.

Adding to 4251544142 its reverse (2414451524), we get a palindrome (6665995666).

The spelling of 4251544142 in words is "four billion, two hundred fifty-one million, five hundred forty-four thousand, one hundred forty-two".